From 87cf9452c809f832c3e48deed04d975411d26d25 Mon Sep 17 00:00:00 2001
From: Lukas Stadler <lukas.stadler@oracle.com>
Date: Tue, 29 Aug 2017 10:30:55 +0200
Subject: [PATCH] complete implementation of cov/cor
---
.../truffle/r/library/stats/Covcor.java | 1200 ++++++++++-------
.../oracle/truffle/r/runtime/nmath/RMath.java | 7 +
.../truffle/r/test/ExpectedTestOutput.test | 324 +++++
.../library/stats/TestExternal_covcor.java | 13 +-
4 files changed, 1021 insertions(+), 523 deletions(-)
diff --git a/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Covcor.java b/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Covcor.java
index 7e9d9c2c63..283a18303f 100644
--- a/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Covcor.java
+++ b/com.oracle.truffle.r.library/src/com/oracle/truffle/r/library/stats/Covcor.java
@@ -12,745 +12,901 @@
package com.oracle.truffle.r.library.stats;
import static com.oracle.truffle.r.nodes.builtin.CastBuilder.Predef.nullValue;
-import static com.oracle.truffle.r.nodes.builtin.CastBuilder.Predef.eq;
import static com.oracle.truffle.r.nodes.builtin.CastBuilder.Predef.toBoolean;
-import java.util.Arrays;
-
+import com.oracle.truffle.api.CompilerDirectives;
+import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.profiles.BranchProfile;
import com.oracle.truffle.api.profiles.ConditionProfile;
-import com.oracle.truffle.api.profiles.LoopConditionProfile;
import com.oracle.truffle.r.nodes.attributes.SpecialAttributesFunctions.GetDimAttributeNode;
+import com.oracle.truffle.r.nodes.attributes.SpecialAttributesFunctions.GetDimNamesAttributeNode;
+import com.oracle.truffle.r.nodes.attributes.SpecialAttributesFunctions.SetDimNamesAttributeNode;
+import com.oracle.truffle.r.nodes.attributes.SpecialAttributesFunctionsFactory.SetDimNamesAttributeNodeGen;
import com.oracle.truffle.r.nodes.builtin.RExternalBuiltinNode;
+import com.oracle.truffle.r.nodes.unary.IsFactorNode;
import com.oracle.truffle.r.runtime.RError;
import com.oracle.truffle.r.runtime.RError.Message;
import com.oracle.truffle.r.runtime.RRuntime;
import com.oracle.truffle.r.runtime.data.RDataFactory;
import com.oracle.truffle.r.runtime.data.RDoubleVector;
-import com.oracle.truffle.r.runtime.data.RIntVector;
+import com.oracle.truffle.r.runtime.data.RList;
import com.oracle.truffle.r.runtime.data.RNull;
import com.oracle.truffle.r.runtime.data.model.RAbstractDoubleVector;
-import com.oracle.truffle.r.runtime.nodes.RBaseNode;
-import com.oracle.truffle.r.runtime.ops.na.NACheck;
+import com.oracle.truffle.r.runtime.nmath.RMath;
/*
* Logic derived from GNU-R, library/stats/src/cov.c
*/
public abstract class Covcor extends RExternalBuiltinNode.Arg4 {
+ // Checkstyle: stop method name check
- private final boolean isCor;
-
- public Covcor(boolean isCor) {
- this.isCor = isCor;
+ private static RuntimeException error(String message) {
+ CompilerDirectives.transferToInterpreter();
+ throw RError.error(RError.SHOW_CALLER, Message.GENERIC, message);
}
- static {
- Casts casts = new Casts(Covcor.class);
- casts.arg(0).mustNotBeMissing().mustBe(nullValue().not(), Message.IS_NULL, "x").asDoubleVector();
- casts.arg(1).mustNotBeMissing().asDoubleVector();
- casts.arg(2).asIntegerVector().findFirst().mustBe(eq(4), Message.NYI, "covcor: other method than 4 not implemented.");
- casts.arg(3).asLogicalVector().findFirst().map(toBoolean());
+ private static double ANS(double[] ans, int ncx, int i, int j) {
+ return ans[i + j * ncx];
}
- @Specialization
- public Object call(RAbstractDoubleVector x, @SuppressWarnings("unused") RNull y, int method, boolean iskendall) {
- return corcov(x.materialize(), null, method, iskendall, this);
+ private static void ANS(double[] ans, int ncx, int i, int j, double value) {
+ ans[i + j * ncx] = value;
}
- @Specialization
- public Object call(RAbstractDoubleVector x, RAbstractDoubleVector y, int method, boolean iskendall) {
- return corcov(x.materialize(), y.materialize(), method, iskendall, this);
+ private static double CLAMP(double X) {
+ return (X >= 1 ? 1 : (X <= -1 ? -1 : X));
}
- private final NACheck check = NACheck.create();
-
- private final ConditionProfile noNAXProfile = ConditionProfile.createBinaryProfile();
- private final ConditionProfile noNAYProfile = ConditionProfile.createBinaryProfile();
- private final ConditionProfile xCompleteProfile = ConditionProfile.createBinaryProfile();
- private final ConditionProfile yCompleteProfile = ConditionProfile.createBinaryProfile();
- private final ConditionProfile bothZeroProfile = ConditionProfile.createBinaryProfile();
- private final BranchProfile tooManyMissing = BranchProfile.create();
- private final BranchProfile naInRes = BranchProfile.create();
- private final BranchProfile error = BranchProfile.create();
- private final BranchProfile warning = BranchProfile.create();
-
- @Child private GetDimAttributeNode getDimsNode = GetDimAttributeNode.create();
-
- private final LoopConditionProfile loopLength = LoopConditionProfile.createCountingProfile();
-
- public RDoubleVector corcov(RDoubleVector x, RDoubleVector y, @SuppressWarnings("unused") int method, boolean iskendall, RBaseNode invokingNode) throws RError {
-
- boolean ansmat = getDimsNode.isMatrix(x);
- int n;
- int ncx;
- if (ansmat) {
- n = nrows(x);
- ncx = ncols(x);
- } else {
- n = x.getLength();
- ncx = 1;
- }
+ private static boolean ISNAN(double v) {
+ return Double.isNaN(v);
+ }
- int ncy;
- if (y == null) {
- ncy = ncx;
- } else if (getDimsNode.isMatrix(y)) {
- if (nrows(y) != n) {
- error.enter();
- throw error("incompatible dimensions");
+ /*
+ * Note that "if (kendall)" and "if (cor)" are used inside a double for() loop; which makes the
+ * code better readable -- and is hopefully dealt with by a smartly optimizing compiler
+ */
+
+ /**
+ * Compute Cov(xx[], yy[]) or Cor(.,.) with n = length(xx)
+ */
+ private static void COV_PAIRWISE_BODY(double[] ans, int n, int ncx, int i, int j, double[] x, double[] y, int xx, int yy, boolean[] sd_0, boolean cor, boolean kendall) {
+ double xmean = 0, ymean = 0;
+ int nobs = 0;
+ if (!kendall) {
+ for (int k = 0; k < n; k++) {
+ if (!(ISNAN(x[xx + k]) || ISNAN(y[yy + k]))) {
+ nobs++;
+ xmean += x[xx + k];
+ ymean += y[yy + k];
+ }
}
- ncy = ncols(y);
- ansmat = true;
- } else {
- if (y.getLength() != n) {
- error.enter();
- throw error("incompatible dimensions");
+ } else /* kendall */
+ for (int k = 0; k < n; k++) {
+ if (!(ISNAN(x[xx + k]) || ISNAN(y[yy + k]))) {
+ nobs++;
+ }
}
- ncy = 1;
- }
- // TODO adopt full use semantics
+ if (nobs >= 2) {
+ int n1 = -1;
+ double xsd = 0, ysd = 0, sum = 0;
+ if (!kendall) {
+ xmean /= nobs;
+ ymean /= nobs;
+ n1 = nobs - 1;
+ }
+ for (int k = 0; k < n; k++) {
+ if (!(ISNAN(x[xx + k]) || ISNAN(y[yy + k]))) {
+ if (!kendall) {
+ double xm = x[xx + k] - xmean;
+ double ym = y[yy + k] - ymean;
+
+ sum += xm * ym;
+ if (cor) {
+ xsd += xm * xm;
+ ysd += ym * ym;
+ }
+ }
- /* "default: complete" (easier for -Wall) */
- boolean naFail = false;
- boolean everything = false;
- boolean emptyErr = true;
+ else { /* Kendall's tau */
+ for (n1 = 0; n1 < k; n1++) {
+ if (!(ISNAN(x[xx + n1]) || ISNAN(y[yy + n1]))) {
+ double xm = RMath.sign(x[xx + k] - x[xx + n1]);
+ double ym = RMath.sign(y[yy + k] - y[yy + n1]);
- // case 4: /* "everything": NAs are propagated */
- everything = true;
- emptyErr = false;
+ sum += xm * ym;
+ if (cor) {
+ xsd += xm * xm;
+ ysd += ym * ym;
+ }
+ }
+ }
+ }
+ }
+ }
+ if (cor) {
+ if (xsd == 0 || ysd == 0) {
+ sd_0[0] = true;
+ sum = RRuntime.DOUBLE_NA;
+ } else {
+ if (!kendall) {
+ xsd /= n1;
+ ysd /= n1;
+ sum /= n1;
+ }
+ sum /= (Math.sqrt(xsd) * Math.sqrt(ysd));
+ sum = CLAMP(sum);
+ }
+ } else if (!kendall) {
+ sum /= n1;
+ }
- if (emptyErr && x.getLength() == 0) {
- error.enter();
- throw error("'x' is empty");
+ ANS(ans, ncx, i, j, sum);
+ } else {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
}
+ }
- double[] answerData = new double[ncx * ncy];
+ private static void cov_pairwise1(int n, int ncx, double[] x, double[] ans, boolean[] sd_0, boolean cor, boolean kendall) {
+ for (int i = 0; i < ncx; i++) {
+ int xx = i * n;
+ for (int j = 0; j <= i; j++) {
+ int yy = j * n;
- double[] xm = new double[ncx];
- boolean sd0;
- if (y == null) {
- if (everything) {
- sd0 = covNA1(n, ncx, x, xm, answerData, isCor, iskendall);
- } else {
- RIntVector ind = RDataFactory.createIntVector(n);
- complete1(n, ncx, x, ind, naFail);
- sd0 = covComplete1(n, ncx, x, xm, ind, answerData, isCor, iskendall);
- }
- } else {
- double[] ym = new double[ncy];
- if (everything) {
- sd0 = covNA2(n, ncx, ncy, x, y, xm, ym, answerData, isCor, iskendall);
- } else {
- RIntVector ind = RDataFactory.createIntVector(n);
- complete2(n, ncx, ncy, x, y, ind, naFail);
- sd0 = covComplete2(n, ncx, ncy, x, y, xm, ym, ind, answerData, isCor, iskendall);
+ COV_PAIRWISE_BODY(ans, n, ncx, i, j, x, x, xx, yy, sd_0, cor, kendall);
+
+ ANS(ans, ncx, j, i, ANS(ans, ncx, i, j));
}
}
+ }
- if (sd0) { /* only in cor() */
- warning.enter();
- RError.warning(invokingNode, RError.Message.SD_ZERO);
- }
+ private static void cov_pairwise2(int n, int ncx, int ncy, double[] x, double[] y, double[] ans, boolean[] sd_0, boolean cor, boolean kendall) {
+ for (int i = 0; i < ncx; i++) {
+ int xx = i * n;
+ for (int j = 0; j < ncy; j++) {
+ int yy = j * n;
- boolean seenNA = false;
- for (int i = 0; i < answerData.length; i++) {
- if (RRuntime.isNA(answerData[i])) {
- naInRes.enter();
- seenNA = true;
- break;
+ COV_PAIRWISE_BODY(ans, n, ncx, i, j, x, y, xx, yy, sd_0, cor, kendall);
}
}
-
- RDoubleVector ans = null;
- if (getDimsNode.isMatrix(x)) {
- ans = RDataFactory.createDoubleVector(answerData, !seenNA, new int[]{ncx, ncy});
- } else {
- ans = RDataFactory.createDoubleVector(answerData, !seenNA);
- }
- return ans;
}
- private int ncols(RDoubleVector x) {
- assert x.isMatrix();
- return getDimsNode.getDimensions(x)[1];
- }
-
- private int nrows(RDoubleVector x) {
- assert x.isMatrix();
- return getDimsNode.getDimensions(x)[0];
- }
+ /*
+ * method = "complete" or "all.obs" (only difference: na_fail): -------- -------
+ */
- private void complete1(int n, int ncx, RDoubleVector x, RIntVector ind, boolean naFail) {
- int i;
- int j;
- for (i = 0; i < n; i++) {
- ind.updateDataAt(i, 1, check);
- }
- for (j = 0; j < ncx; j++) {
- // z = &x[j * n];
- for (i = 0; i < n; i++) {
- if (Double.isNaN(x.getDataAt(j * n + i))) {
- if (naFail) {
- throw error("missing observations in cov/cor");
- } else {
- ind.updateDataAt(i, 0, check);
- }
+ /* This uses two passes for better accuracy */
+ private static void MEAN(int n, int ncx, double[] x, double[] xm, boolean[] ind, int nobs) {
+ /* variable means */
+ for (int i = 0; i < ncx; i++) {
+ int xx = i * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ sum += x[xx + k];
}
}
- }
- }
-
- private void complete2(int n, int ncx, int ncy, RDoubleVector x, RDoubleVector y, RIntVector ind, boolean naFail) {
- int i;
- int j;
- for (i = 0; i < n; i++) {
- ind.updateDataAt(i, 1, check);
- }
- for (j = 0; j < ncx; j++) {
- // z = &x[j * n];
- for (i = 0; i < n; i++) {
- if (Double.isNaN(x.getDataAt(j * n + i))) {
- if (naFail) {
- throw error("missing observations in cov/cor");
- } else {
- ind.updateDataAt(i, 0, check);
+ double tmp = sum / nobs;
+ if (Double.isFinite(tmp)) {
+ sum = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ sum += (x[xx + k] - tmp);
}
}
+ tmp = tmp + sum / nobs;
}
+ xm[i] = tmp;
}
+ }
- for (j = 0; j < ncy; j++) {
- // z = &y[j * n];
- for (i = 0; i < n; i++) {
- if (Double.isNaN(y.getDataAt(j * n + i))) {
- if (naFail) {
- throw error("missing observations in cov/cor");
- } else {
- ind.updateDataAt(i, 0, check);
+ /* This uses two passes for better accuracy */
+ private static void MEAN_(int n, int ncx, double[] x, double[] xm, boolean[] has_na) {
+ /* variable means (has_na) */
+ for (int i = 0; i < ncx; i++) {
+ double tmp;
+ if (has_na[i]) {
+ tmp = RRuntime.DOUBLE_NA;
+ } else {
+ int xx = i * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ sum += x[xx + k];
+ }
+ tmp = sum / n;
+ if (Double.isFinite(tmp)) {
+ sum = 0;
+ for (int k = 0; k < n; k++) {
+ sum += (x[xx + k] - tmp);
}
+ tmp = tmp + sum / n;
}
}
+ xm[i] = tmp;
}
}
- private static boolean covComplete1(int n, int ncx, RDoubleVector x, double[] xm, RIntVector indInput, double[] ans, boolean cor, boolean kendall) {
+ private static void cov_complete1(int n, int ncx, double[] x, double[] xm, boolean[] ind, double[] ans, boolean[] sd_0, boolean cor, boolean kendall) {
int n1 = -1;
- int nobs;
- boolean isSd0 = false;
/* total number of complete observations */
- nobs = 0;
+ int nobs = 0;
for (int k = 0; k < n; k++) {
- if (indInput.getDataAt(k) != 0) {
+ if (ind[k]) {
nobs++;
}
}
- if (nobs <= 1) { /* too many missing */
- for (int i = 0; i < ans.length; i++) {
- ans[i] = RRuntime.DOUBLE_NA;
+ if (nobs <= 1) {/* too many missing */
+ for (int i = 0; i < ncx; i++) {
+ for (int j = 0; j < ncx; j++) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ }
}
- return isSd0;
- }
-
- RIntVector ind = indInput;
- if (nobs == ind.getLength()) {
- // No values of ind are zeroed.
- ind = null;
+ return;
}
if (!kendall) {
- mean(x, xm, ind, n, ncx, nobs);
+ MEAN(n, ncx, x, xm, ind, nobs); /* -> xm[] */
n1 = nobs - 1;
}
for (int i = 0; i < ncx; i++) {
+ int xx = i * n;
+
if (!kendall) {
double xxm = xm[i];
for (int j = 0; j <= i; j++) {
+ int yy = j * n;
double yym = xm[j];
- double sum = 0.0;
+ double sum = 0;
for (int k = 0; k < n; k++) {
- if (ind == null || ind.getDataAt(k) != 0) {
- sum += (x.getDataAt(i * n + k) - xxm) * (x.getDataAt(j * n + k) - yym);
+ if (ind[k]) {
+ sum += (x[xx + k] - xxm) * (x[yy + k] - yym);
}
}
- double r = sum / n1;
- ans[i + j * ncx] = r;
- ans[j + i * ncx] = r;
+ double result = sum / n1;
+ ANS(ans, ncx, j, i, result);
+ ANS(ans, ncx, i, j, result);
}
} else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
+ for (int j = 0; j <= i; j++) {
+ int yy = j * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ for (n1 = 0; n1 < n; n1++) {
+ if (ind[n1]) {
+ sum += RMath.sign(x[xx + k] - x[xx + n1]) * RMath.sign(x[yy + k] - x[yy + n1]);
+ }
+ }
+ }
+ }
+ ANS(ans, ncx, j, i, sum);
+ ANS(ans, ncx, i, j, sum);
+ }
}
}
if (cor) {
for (int i = 0; i < ncx; i++) {
- xm[i] = Math.sqrt(ans[i + i * ncx]);
+ xm[i] = Math.sqrt(ANS(ans, ncx, i, i));
}
for (int i = 0; i < ncx; i++) {
for (int j = 0; j < i; j++) {
+ double result;
if (xm[i] == 0 || xm[j] == 0) {
- isSd0 = true;
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
- ans[j + i * ncx] = RRuntime.DOUBLE_NA;
+ sd_0[0] = true;
+ result = RRuntime.DOUBLE_NA;
} else {
- double sum = ans[i + j * ncx] / (xm[i] * xm[j]);
- if (sum > 1.0) {
- sum = 1.0;
+ double current = ANS(ans, ncx, i, j);
+ if (RRuntime.isNA(current)) {
+ result = RRuntime.DOUBLE_NA;
+ } else {
+ result = CLAMP(current / (xm[i] * xm[j]));
}
- ans[i + j * ncx] = sum;
- ans[j + i * ncx] = sum;
}
+ ANS(ans, ncx, j, i, result);
+ ANS(ans, ncx, i, j, result);
}
- ans[i + i * ncx] = 1.0;
+ ANS(ans, ncx, i, i, 1);
}
}
-
- return isSd0;
}
- private static boolean covComplete2(int n, int ncx, int ncy, RDoubleVector x, RDoubleVector y, double[] xm, double[] ym, RIntVector indInput, double[] ans, boolean cor, boolean kendall) {
+ private static void cov_na_1(int n, int ncx, double[] x, double[] xm, boolean[] has_na, double[] ans, boolean[] sd_0, boolean cor, boolean kendall) {
int n1 = -1;
- int nobs;
- boolean isSd0 = false;
-
- /* total number of complete observations */
- nobs = 0;
- for (int k = 0; k < n; k++) {
- if (indInput.getDataAt(k) != 0) {
- nobs++;
- }
- }
- if (nobs <= 1) { /* too many missing */
- for (int i = 0; i < ans.length; i++) {
- ans[i] = RRuntime.DOUBLE_NA;
+ if (n <= 1) { /* too many missing */
+ for (int i = 0; i < ncx; i++) {
+ for (int j = 0; j < ncx; j++) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ }
}
- return isSd0;
- }
-
- RIntVector ind = indInput;
- if (nobs == ind.getLength()) {
- // No values of ind are zeroed.
- ind = null;
+ return;
}
if (!kendall) {
- mean(x, xm, ind, n, ncx, nobs);
- mean(y, ym, ind, n, ncy, nobs);
- n1 = nobs - 1;
+ MEAN_(n, ncx, x, xm, has_na);/* -> xm[] */
+ n1 = n - 1;
}
for (int i = 0; i < ncx; i++) {
- if (!kendall) {
- double xxm = xm[i];
- for (int j = 0; j < ncy; j++) {
- double yym = ym[j];
- double sum = 0;
- for (int k = 0; k < n; k++) {
- if (ind == null || ind.getDataAt(k) != 0) {
- sum += (x.getDataAt(i * n + k) - xxm) * (y.getDataAt(j * n + k) - yym);
+ if (has_na[i]) {
+ for (int j = 0; j <= i; j++) {
+ ANS(ans, ncx, j, i, RRuntime.DOUBLE_NA);
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ }
+ } else {
+ int xx = i * n;
+
+ if (!kendall) {
+ double xxm = xm[i];
+ for (int j = 0; j <= i; j++) {
+ if (has_na[j]) {
+ ANS(ans, ncx, j, i, RRuntime.DOUBLE_NA);
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ } else {
+ int yy = j * n;
+ double yym = xm[j];
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ sum += (x[xx + k] - xxm) * (x[yy + k] - yym);
+ }
+ double result = sum / n1;
+ ANS(ans, ncx, j, i, result);
+ ANS(ans, ncx, i, j, result);
+ }
+ }
+ } else { /* Kendall's tau */
+ for (int j = 0; j <= i; j++) {
+ if (has_na[j]) {
+ ANS(ans, ncx, j, i, RRuntime.DOUBLE_NA);
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ } else {
+ int yy = j * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ for (n1 = 0; n1 < n; n1++) {
+ sum += RMath.sign(x[xx + k] - x[xx + n1]) * RMath.sign(x[yy + k] - x[yy + n1]);
+ }
+ }
+ ANS(ans, ncx, j, i, sum);
+ ANS(ans, ncx, i, j, sum);
}
}
- ans[i + j * ncx] = (sum / n1);
}
- } else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
}
}
if (cor) {
- covsdev(x, xm, ind, n, ncx, n1, kendall); /* -> xm[.] */
- covsdev(y, ym, ind, n, ncy, n1, kendall); /* -> ym[.] */
-
for (int i = 0; i < ncx; i++) {
- for (int j = 0; j < ncy; j++) {
- double divisor = (xm[i] * ym[j]);
- if (divisor == 0.0) {
- isSd0 = true;
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
- } else {
- double value = ans[i + j * ncx] / divisor;
- if (value > 1) {
- value = 1;
+ if (!has_na[i]) {
+ xm[i] = Math.sqrt(ANS(ans, ncx, i, i));
+ }
+ }
+ for (int i = 0; i < ncx; i++) {
+ if (!has_na[i]) {
+ for (int j = 0; j < i; j++) {
+ double result;
+ if (xm[i] == 0 || xm[j] == 0) {
+ sd_0[0] = true;
+ result = RRuntime.DOUBLE_NA;
+ } else {
+ double current = ANS(ans, ncx, i, j);
+ if (RRuntime.isNA(current)) {
+ result = RRuntime.DOUBLE_NA;
+ } else {
+ result = CLAMP(current / (xm[i] * xm[j]));
+ }
}
- ans[i + j * ncx] = value;
+ ANS(ans, ncx, j, i, result);
+ ANS(ans, ncx, i, j, result);
}
}
+ ANS(ans, ncx, i, i, 1);
}
}
- return isSd0;
}
- private static void covsdev(RDoubleVector vector, double[] vectorM, RIntVector ind, int n, int len, int n1, boolean kendall) {
- for (int i = 0; i < len; i++) {
+ private static void COV_SDEV1(int n, int n1, int nc, double[] array, double[] m, boolean[] ind, boolean kendall) {
+ for (int i = 0; i < nc; i++) { /* Var(X[i]) */
+ int xx = i * n;
double sum = 0;
if (!kendall) {
- double xxm = vectorM[i];
+ double xxm = m[i];
for (int k = 0; k < n; k++) {
- if (ind == null || ind.getDataAt(k) != 0) {
- double value = vector.getDataAt(i * n + k);
- sum += (value - xxm) * (value - xxm);
+ if (ind[k]) {
+ sum += (array[xx + k] - xxm) * (array[xx + k] - xxm);
}
}
sum /= n1;
} else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
- }
- vectorM[i] = Math.sqrt(sum);
- }
- }
-
- private static void mean(RDoubleVector vector, double[] vectorM, RIntVector ind, int n, int len, int nobs) {
- /* variable means */
- for (int i = 0; i < len; i++) {
- double sum = 0.0;
- for (int k = 0; k < n; k++) {
- if (ind == null || ind.getDataAt(k) != 0) {
- sum += vector.getDataAt(i * n + k);
- }
- }
- double tmp = sum / nobs;
- if (!Double.isInfinite(tmp)) {
- sum = 0.0;
for (int k = 0; k < n; k++) {
- if (ind == null || ind.getDataAt(k) != 0) {
- sum += (vector.getDataAt(i * n + k) - tmp);
+ if (ind[k]) {
+ for (int n1_ = 0; n1_ < n; n1_++) {
+ if (ind[n1_] && array[xx + k] != array[xx + n1_]) {
+ sum++; /* = sign(. - .)^2 */
+ }
+ }
}
}
- tmp = tmp + sum / nobs;
- }
- vectorM[i] = tmp;
- }
- }
-
- private static boolean[] findNAs(int n, int nc, RDoubleVector v) {
- boolean[] hasNA = new boolean[nc];
- double[] data = v.getDataWithoutCopying();
- for (int j = 0; j < nc; j++) {
- for (int i = 0; i < n; i++) {
- if (Double.isNaN(data[j * n + i])) {
- hasNA[j] = true;
- break;
- }
}
+ m[i] = Math.sqrt(sum);
}
- return hasNA;
}
- private boolean covNA1(int n, int ncx, RDoubleVector x, double[] xm, double[] ans, boolean cor, boolean iskendall) {
- double sum;
- double xxm;
- double yym;
+ private static void cov_complete2(int n, int ncx, int ncy, double[] x, double[] y, double[] xm, double[] ym, boolean[] ind, double[] ans, boolean[] sd_0, boolean cor, boolean kendall) {
int n1 = -1;
- boolean sd0 = false;
- double[] xData = x.getDataWithoutCopying();
- boolean[] hasNAx = findNAs(n, ncx, x);
-
- if (n <= 1) { /* too many missing */
- tooManyMissing.enter();
- Arrays.fill(ans, RRuntime.DOUBLE_NA);
- return sd0;
+ /* total number of complete observations */
+ int nobs = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ nobs++;
+ }
}
-
- if (!iskendall) {
- if (xCompleteProfile.profile(x.isComplete())) {
- meanNoNA(n, ncx, xData, xm, hasNAx);
- } else {
- mean(n, ncx, xData, xm, hasNAx);
+ if (nobs <= 1) {/* too many missing */
+ for (int i = 0; i < ncx; i++) {
+ for (int j = 0; j < ncy; j++) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ }
}
- n1 = n - 1;
+ return;
}
+ if (!kendall) {
+ MEAN(n, ncx, x, xm, ind, nobs);/* -> xm[] */
+ MEAN(n, ncy, y, ym, ind, nobs);/* -> ym[] */
+ n1 = nobs - 1;
+ }
for (int i = 0; i < ncx; i++) {
- double[] temp = new double[n];
- if (noNAXProfile.profile(!hasNAx[i])) {
- if (!iskendall) {
- xxm = xm[i];
- for (int j = 0; j <= i; j++) {
- double r;
- if (noNAXProfile.profile(!hasNAx[j])) {
- yym = xm[j];
- if (checkNAs(xxm, yym)) {
- r = RRuntime.DOUBLE_NA;
- } else {
- sum = 0.0;
- loopLength.profileCounted(n);
- for (int k = 0; loopLength.inject(k < n); k++) {
- double u = xData[i * n + k];
- double v = xData[j * n + k];
- temp[k] = (u - xxm) * (v - yym);
- }
- for (int k = 0; loopLength.inject(k < n); k++) {
- sum += temp[k];
+ int xx = i * n;
+ if (!kendall) {
+ double xxm = xm[i];
+ for (int j = 0; j < ncy; j++) {
+ int yy = j * n;
+ double yym = ym[j];
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ sum += (x[xx + k] - xxm) * (y[yy + k] - yym);
+ }
+ }
+ ANS(ans, ncx, i, j, sum / n1);
+ }
+ } else { /* Kendall's tau */
+ for (int j = 0; j < ncy; j++) {
+ int yy = j * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ if (ind[k]) {
+ for (n1 = 0; n1 < n; n1++) {
+ if (ind[n1]) {
+ sum += RMath.sign(x[xx + k] - x[xx + n1]) * RMath.sign(y[yy + k] - y[yy + n1]);
}
- r = checkNAs(sum) ? RRuntime.DOUBLE_NA : sum / n1;
}
- } else {
- r = RRuntime.DOUBLE_NA;
}
- ans[j + i * ncx] = r;
- ans[i + j * ncx] = r;
}
- } else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
- }
- } else {
- for (int j = 0; j <= i; j++) {
- ans[j + i * ncx] = RRuntime.DOUBLE_NA;
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ ANS(ans, ncx, i, j, sum);
}
}
}
if (cor) {
+
+ COV_SDEV1(n, n1, ncx, x, xm, ind, kendall); /* -> xm[.] */
+ COV_SDEV1(n, n1, ncy, y, ym, ind, kendall); /* -> ym[.] */
+
for (int i = 0; i < ncx; i++) {
- if (noNAXProfile.profile(!hasNAx[i])) {
- double u = ans[i + i * ncx];
- xm[i] = checkNAs(u) ? RRuntime.DOUBLE_NA : Math.sqrt(u);
- }
- }
- for (int i = 0; i < ncx; i++) {
- if (noNAXProfile.profile(!hasNAx[i])) {
- for (int j = 0; j < i; j++) {
- if (bothZeroProfile.profile(xm[i] == 0 || xm[j] == 0)) {
- sd0 = true;
- ans[j + i * ncx] = RRuntime.DOUBLE_NA;
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ for (int j = 0; j < ncy; j++) {
+ double result;
+ if (xm[i] == 0 || ym[j] == 0) {
+ sd_0[0] = true;
+ result = RRuntime.DOUBLE_NA;
+ } else {
+ double current = ANS(ans, ncx, i, j);
+ if (RRuntime.isNA(current)) {
+ result = RRuntime.DOUBLE_NA;
} else {
- double u = ans[i + j * ncx];
- double v = xm[i];
- double w = xm[j];
- sum = checkNAs(u, v, w) ? RRuntime.DOUBLE_NA : u / (v * w);
- if (sum > 1.0) {
- sum = 1.0;
- }
- ans[j + i * ncx] = sum;
- ans[i + j * ncx] = sum;
+ result = CLAMP(current / (xm[i] * ym[j]));
}
}
+ ANS(ans, ncx, i, j, result);
}
- ans[i + i * ncx] = 1.0;
}
}
-
- return sd0;
}
- private static void meanNoNA(int n, int ncx, double[] x, double[] xm, boolean[] hasNA) {
- double sum;
- double tmp;
- /* variable means (has_na) */
- for (int i = 0; i < ncx; i++) {
- if (hasNA[i]) {
- tmp = RRuntime.DOUBLE_NA;
- } else {
- sum = 0.0;
- for (int k = 0; k < n; k++) {
- double u = x[i * n + k];
- sum += u;
- }
- tmp = sum / n;
- if (RRuntime.isFinite(tmp)) {
- sum = 0.0;
+ private static void COV_SDEV2(int n, int n1, int nc, double[] array, double[] m, boolean[] has_na, boolean kendall) {
+ for (int i = 0; i < nc; i++) {
+ if (!has_na[i]) { /* Var(X[j]) */
+ int xx = i * n;
+ double sum = 0;
+ if (!kendall) {
+ double xxm = m[i];
for (int k = 0; k < n; k++) {
- double u = x[i * n + k];
- sum += u - tmp;
+ sum += (array[xx + k] - xxm) * (array[xx + k] - xxm);
}
- tmp += sum / n;
- }
- }
- xm[i] = tmp;
- }
- }
-
- private void mean(int n, int ncx, double[] x, double[] xm, boolean[] hasNA) {
- double sum;
- double tmp;
- /* variable means (has_na) */
- for (int i = 0; i < ncx; i++) {
- if (hasNA[i]) {
- tmp = RRuntime.DOUBLE_NA;
- } else {
- sum = 0.0;
- for (int k = 0; k < n; k++) {
- double u = x[i * n + k];
- if (checkNAs(u)) {
- sum = RRuntime.DOUBLE_NA;
- break;
- }
- sum += u;
- }
- tmp = checkNAs(sum) ? RRuntime.DOUBLE_NA : sum / n;
- if (RRuntime.isFinite(tmp)) {
- sum = 0.0;
+ sum /= n1;
+ } else { /* Kendall's tau */
for (int k = 0; k < n; k++) {
- double u = x[i * n + k];
- if (checkNAs(u)) {
- sum = RRuntime.DOUBLE_NA;
- break;
+ for (int n1_ = 0; n1_ < n; n1_++) {
+ if (array[xx + k] != array[xx + n1_]) {
+ sum++; /* = sign(. - .)^2 */
+ }
}
- sum += u - tmp;
- }
- if (checkNAs(sum)) {
- tmp = RRuntime.DOUBLE_NA;
- } else {
- tmp += sum / n;
}
}
+ m[i] = Math.sqrt(sum);
}
- xm[i] = tmp;
}
}
- private boolean covNA2(int n, int ncx, int ncy, RDoubleVector x, RDoubleVector y, double[] xm, double[] ym, double[] ans, boolean cor, boolean iskendall) {
- double sum;
- double xxm;
- double yym;
+ private static void cov_na_2(int n, int ncx, int ncy, double[] x, double[] y, double[] xm, double[] ym, boolean[] has_na_x, boolean[] has_na_y, double[] ans, boolean[] sd_0, boolean cor,
+ boolean kendall) {
int n1 = -1;
- boolean sd0 = false;
-
- double[] xData = x.getDataWithoutCopying();
- double[] yData = y.getDataWithoutCopying();
- boolean[] hasNAx = findNAs(n, ncx, x);
- boolean[] hasNAy = findNAs(n, ncy, y);
-
- if (n <= 1) { /* too many missing */
- tooManyMissing.enter();
+ if (n <= 1) {/* too many missing */
for (int i = 0; i < ncx; i++) {
for (int j = 0; j < ncy; j++) {
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
}
}
- return sd0;
+ return;
}
- if (!iskendall) {
- if (xCompleteProfile.profile(x.isComplete())) {
- meanNoNA(n, ncx, xData, xm, hasNAx);
- } else {
- mean(n, ncx, xData, xm, hasNAx);
- }
- if (yCompleteProfile.profile(y.isComplete())) {
- meanNoNA(n, ncy, yData, ym, hasNAy);
- } else {
- mean(n, ncy, yData, ym, hasNAy);
- }
+ if (!kendall) {
+ MEAN_(n, ncx, x, xm, has_na_x);/* -> xm[] */
+ MEAN_(n, ncy, y, ym, has_na_y);/* -> ym[] */
n1 = n - 1;
}
-
for (int i = 0; i < ncx; i++) {
- if (noNAXProfile.profile(!hasNAx[i])) {
- if (!iskendall) {
- xxm = xm[i];
+ if (has_na_x[i]) {
+ for (int j = 0; j < ncy; j++) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ }
+ } else {
+ int xx = i * n;
+ if (!kendall) {
+ double xxm = xm[i];
for (int j = 0; j < ncy; j++) {
- double r;
- if (noNAYProfile.profile(!hasNAy[j])) {
- yym = ym[j];
- if (checkNAs(xxm, yym)) {
- r = RRuntime.DOUBLE_NA;
- } else {
- sum = 0.0;
- for (int k = 0; k < n; k++) {
- double u = xData[i * n + k];
- double v = yData[j * n + k];
- sum += (u - xxm) * (v - yym);
- }
- r = checkNAs(sum) ? RRuntime.DOUBLE_NA : sum / n1;
- }
+ if (has_na_y[j]) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
} else {
- r = RRuntime.DOUBLE_NA;
+ int yy = j * n;
+ double yym = ym[j];
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ sum += (x[xx + k] - xxm) * (y[yy + k] - yym);
+ }
+ ANS(ans, ncx, i, j, sum / n1);
}
- ans[i + j * ncx] = r;
}
} else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
- }
- } else {
- for (int j = 0; j < ncy; j++) {
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ for (int j = 0; j < ncy; j++) {
+ if (has_na_y[j]) {
+ ANS(ans, ncx, i, j, RRuntime.DOUBLE_NA);
+ } else {
+ int yy = j * n;
+ double sum = 0;
+ for (int k = 0; k < n; k++) {
+ for (n1 = 0; n1 < n; n1++) {
+ sum += RMath.sign(x[xx + k] - x[xx + n1]) * RMath.sign(y[yy + k] - y[yy + n1]);
+ }
+ }
+ ANS(ans, ncx, i, j, sum);
+ }
+ }
}
}
}
if (cor) {
- covsdev(n, n1, ncx, x, hasNAx, xm, iskendall);
- covsdev(n, n1, ncy, y, hasNAy, ym, iskendall);
+
+ COV_SDEV2(n, n1, ncx, x, xm, has_na_x, kendall); /* -> xm[.] */
+ COV_SDEV2(n, n1, ncy, y, ym, has_na_y, kendall); /* -> ym[.] */
for (int i = 0; i < ncx; i++) {
- if (noNAXProfile.profile(!hasNAx[i])) {
+ if (!has_na_x[i]) {
for (int j = 0; j < ncy; j++) {
- if (noNAYProfile.profile(!hasNAy[j])) {
- if (xm[i] == 0.0 || ym[j] == 0.0) {
- sd0 = true;
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ if (!has_na_y[j]) {
+ double result;
+ if (xm[i] == 0 || ym[j] == 0) {
+ sd_0[0] = true;
+ result = RRuntime.DOUBLE_NA;
} else {
- double u = xm[i];
- double v = ym[j];
- if (checkNAs(u, v)) {
- ans[i + j * ncx] = RRuntime.DOUBLE_NA;
+ double current = ANS(ans, ncx, i, j);
+ if (RRuntime.isNA(current)) {
+ result = RRuntime.DOUBLE_NA;
} else {
- ans[i + j * ncx] /= u * v;
- }
- if (ans[i + j * ncx] > 1.0) {
- ans[i + j * ncx] = 1.0;
+ result = CLAMP(current / (xm[i] * ym[j]));
}
}
+ ANS(ans, ncx, i, j, result);
}
}
}
}
}
+ }
+
+ /*
+ * complete[12]() returns indicator vector ind[] of complete.cases(), or --------------
+ * if(na_fail) signals error if any NA/NaN is encountered
+ */
+
+ /*
+ * This might look slightly inefficient, but it is designed to optimise paging in virtual memory
+ * systems ... (or at least that's my story, and I'm sticking to it.)
+ */
+ private static void NA_LOOP(int n, int z, double[] x, boolean[] ind, boolean na_fail) {
+ for (int i = 0; i < n; i++) {
+ if (ISNAN(x[z + i])) {
+ if (na_fail) {
+ error("missing observations in cov/cor");
+ } else {
+ ind[i] = false;
+ }
+ }
+ }
+ }
- return sd0;
+ private static void complete1(int n, int ncx, double[] x, boolean[] ind, boolean na_fail) {
+ for (int i = 0; i < n; i++) {
+ ind[i] = true;
+ }
+ for (int j = 0; j < ncx; j++) {
+ int z = j * n;
+ NA_LOOP(n, z, x, ind, na_fail);
+ }
}
- private void covsdev(int n, int n1, int ncx, RDoubleVector x, boolean[] hasNA, double[] xm, boolean iskendall) {
- for (int i = 0; i < ncx; i++) {
- if (!hasNA[i]) { /* Var(X[j]) */
- double sum = 0.0;
- if (!iskendall) {
- double xxm = xm[i];
- if (checkNAs(xxm)) {
- sum = RRuntime.DOUBLE_NA;
- } else {
- for (int k = 0; k < n; k++) {
- double u = x.getDataAt(i * n + k);
- double v = x.getDataAt(i * n + k);
- if (checkNAs(u, v)) {
- sum = RRuntime.DOUBLE_NA;
- break;
- }
- sum += (u - xxm) * (v - xxm);
+ static void complete2(int n, int ncx, int ncy, double[] x, double[] y, boolean[] ind, boolean na_fail) {
+ complete1(n, ncx, x, ind, na_fail);
+
+ for (int j = 0; j < ncy; j++) {
+ int z = j * n;
+ NA_LOOP(n, z, y, ind, na_fail);
+ }
+ }
+
+ static void find_na_1(int n, int ncx, double[] x, boolean[] has_na) {
+ for (int j = 0; j < ncx; j++) {
+ int z = j * n;
+ has_na[j] = false;
+ for (int i = 0; i < n; i++) {
+ if (ISNAN(x[z + i])) {
+ has_na[j] = true;
+ break;
+ }
+ }
+ }
+ }
+
+ static void find_na_2(int n, int ncx, int ncy, double[] x, double[] y, boolean[] has_na_x, boolean[] has_na_y) {
+ find_na_1(n, ncx, x, has_na_x);
+ find_na_1(n, ncy, y, has_na_y);
+ }
+
+ /*
+ * co[vr](x, y, use = { 1, 2, 3, 4, 5 } "all.obs", "complete.obs", "pairwise.complete",
+ * "everything", "na.or.complete" kendall = TRUE/FALSE)
+ */
+ public RDoubleVector corcov(RDoubleVector x, RDoubleVector y, int method, boolean kendall) throws RError {
+ int n, ncx, ncy;
+
+ /* Arg.1: x */
+ if (isFactorX.executeIsFactor(x)) {
+ error("'x' is a factor");
+ // maybe only warning: "Calling var(x) on a factor x is deprecated and will become an
+ // error.\n Use something like 'all(duplicated(x)[-1L])' to test for a constant vector."
+ }
+ /* length check of x -- only if(empty_err) --> below */
+ int[] xDims = getDimsXNode.getDimensions(x);
+ boolean ansmat = matrixProfile.profile(GetDimAttributeNode.isMatrix(xDims));
+ if ((ansmat)) {
+ n = xDims[0];
+ ncx = xDims[1];
+ } else {
+ n = x.getLength();
+ ncx = 1;
+ }
+ /* Arg.2: y */
+ if (y == null) {/* y = x : var() */
+ ncy = ncx;
+ } else {
+ if (isFactorY.executeIsFactor(y)) {
+ error("'y' is a factor");
+ // maybe only warning: "Calling var(x) on a factor x is deprecated and will become
+ // an error.\n Use something like 'all(duplicated(x)[-1L])' to test for a constant
+ // vector."
+ }
+ int[] yDims = getDimsYNode.getDimensions(y);
+ if (GetDimAttributeNode.isMatrix(yDims)) {
+ if (yDims[0] != n) {
+ error("incompatible dimensions");
+ }
+ ncy = yDims[1];
+ ansmat = true;
+ } else {
+ if (y.getLength() != n) {
+ error("incompatible dimensions");
+ }
+ ncy = 1;
+ }
+ }
+
+ /* "default: complete" */
+ boolean na_fail = false;
+ boolean everything = false;
+ boolean empty_err = true;
+ boolean pair = false;
+ switch (method) {
+ case 1: /* use all : no NAs */
+ na_fail = true;
+ break;
+ case 2: /* complete */
+ /* did na.omit in R */
+ if (x.getLength() == 0) {
+ error("no complete element pairs");
+ }
+ break;
+ case 3: /* pairwise.complete */
+ pair = true;
+ break;
+ case 4: /* "everything": NAs are propagated */
+ everything = true;
+ empty_err = false;
+ break;
+ case 5: /* "na.or.complete": NAs are propagated */
+ empty_err = false;
+ break;
+ default:
+ error("invalid 'use' (computational method)");
+ }
+ if (empty_err && x.getLength() == 0) {
+ error("'x' is empty");
+ }
+
+ double[] xData = x.getDataWithoutCopying();
+ double[] ans = new double[ncx * ncy];
+ boolean[] sd_0 = new boolean[1];
+
+ evaluate(y, kendall, isCor, n, ncx, ncy, na_fail, everything, empty_err, pair, xData, ans, sd_0);
+
+ if (sd_0[0]) { /* only in cor() */
+ warning(RError.Message.SD_ZERO);
+ }
+
+ boolean seenNA = false;
+ for (int i = 0; i < ans.length; i++) {
+ if (RRuntime.isNA(ans[i])) {
+ naInRes.enter();
+ seenNA = true;
+ break;
+ }
+ }
+
+ if (ansmat) { /* set dimnames() when applicable */
+ RList newDimNames = null;
+ if (y == null) {
+ RList dimNames = getDimsNamesXNode.getDimNames(x);
+ if (dimNames != null) {
+ Object names = dimNames.getDataAt(1);
+ if (names != RNull.instance) {
+ newDimNames = RDataFactory.createList(new Object[]{names, names});
+ }
+ }
+ } else {
+ RList dimNamesX = getDimsNamesXNode.getDimNames(x);
+ RList dimNamesY = getDimsNamesYNode.getDimNames(y);
+ Object namesX = dimNamesX.getLength() >= 2 ? dimNamesX.getDataAt(1) : RNull.instance;
+ Object namesY = dimNamesY.getLength() >= 2 ? dimNamesY.getDataAt(1) : RNull.instance;
+ if (namesX != RNull.instance || namesY != RNull.instance) {
+ newDimNames = RDataFactory.createList(new Object[]{namesX, namesY});
+ }
+ }
+ RDoubleVector result = RDataFactory.createDoubleVector(ans, !seenNA, new int[]{ncx, ncy});
+ if (newDimNames != null) {
+ setDimNamesNode.setDimNames(result, newDimNames);
+ }
+ return result;
+ } else {
+ return RDataFactory.createDoubleVector(ans, !seenNA);
+ }
+ }
+
+ @TruffleBoundary
+ private static void evaluate(RDoubleVector y, boolean kendall, boolean cor, int n, int ncx, int ncy, boolean na_fail, boolean everything, boolean empty_err, boolean pair, double[] xData,
+ double[] ans, boolean[] sd_0) {
+ if (y == null) {
+ if (everything) { /* NA's are propagated */
+ double[] xm = new double[ncx];
+ boolean[] ind = new boolean[ncx];
+ find_na_1(n, ncx, xData, /* --> has_na[] = */ ind);
+ cov_na_1(n, ncx, xData, xm, ind, ans, sd_0, cor, kendall);
+ } else if (!pair) { /* all | complete "var" */
+ double[] xm = new double[ncx];
+ boolean[] ind = new boolean[n];
+ complete1(n, ncx, xData, ind, na_fail);
+ cov_complete1(n, ncx, xData, xm, ind, ans, sd_0, cor, kendall);
+ if (empty_err) {
+ boolean indany = false;
+ for (int i = 0; i < n; i++) {
+ if (ind[i]) {
+ indany = true;
+ break;
}
}
- if (!checkNAs(sum)) {
- sum /= n1;
+ if (!indany) {
+ error("no complete element pairs");
}
- } else { /* Kendall's tau */
- throw new UnsupportedOperationException("kendall's unsupported");
}
- xm[i] = checkNAs(sum) ? RRuntime.DOUBLE_NA : Math.sqrt(sum);
+ } else { /* pairwise "var" */
+ cov_pairwise1(n, ncx, xData, ans, sd_0, cor, kendall);
+ }
+ } else { /* Co[vr] (x, y) */
+ double[] yData = y.getDataWithoutCopying();
+ if (everything) {
+ double[] xm = new double[ncx];
+ double[] ym = new double[ncy];
+ boolean[] ind = new boolean[ncx];
+ boolean[] has_na_y = new boolean[ncy];
+ find_na_2(n, ncx, ncy, xData, yData, ind, has_na_y);
+ cov_na_2(n, ncx, ncy, xData, yData, xm, ym, ind, has_na_y, ans, sd_0, cor, kendall);
+ } else if (!pair) { /* all | complete */
+ double[] xm = new double[ncx];
+ double[] ym = new double[ncy];
+ boolean[] ind = new boolean[n];
+ complete2(n, ncx, ncy, xData, yData, ind, na_fail);
+ cov_complete2(n, ncx, ncy, xData, yData, xm, ym, ind, ans, sd_0, cor, kendall);
+ if (empty_err) {
+ boolean indany = false;
+ for (int i = 0; i < n; i++) {
+ if (ind[i]) {
+ indany = true;
+ break;
+ }
+ }
+ if (!indany) {
+ error("no complete element pairs");
+ }
+ }
+ } else { /* pairwise */
+ cov_pairwise2(n, ncx, ncy, xData, yData, ans, sd_0, cor, kendall);
}
}
}
- private RuntimeException error(String message) {
- throw error(Message.GENERIC, message);
+ private final boolean isCor;
+
+ public Covcor(boolean isCor) {
+ this.isCor = isCor;
}
- private boolean checkNAs(double... xs) {
- for (double x : xs) {
- check.enable(x);
- if (check.check(x)) {
- return true;
- }
- }
- return false;
+ static {
+ Casts casts = new Casts(Covcor.class);
+ casts.arg(0).mustNotBeMissing().mustBe(nullValue().not(), Message.IS_NULL, "x").asDoubleVector();
+ casts.arg(1).mustNotBeMissing().asDoubleVector();
+ casts.arg(2).asIntegerVector().findFirst();
+ casts.arg(3).asLogicalVector().findFirst().map(toBoolean());
}
- private boolean checkNAs(double x) {
- check.enable(x);
- return check.check(x);
+ @Specialization
+ public Object call(RAbstractDoubleVector x, @SuppressWarnings("unused") RNull y, int method, boolean iskendall) {
+ return corcov(x.materialize(), null, method, iskendall);
}
+
+ @Specialization
+ public Object call(RAbstractDoubleVector x, RAbstractDoubleVector y, int method, boolean iskendall) {
+ return corcov(x.materialize(), y.materialize(), method, iskendall);
+ }
+
+ private final BranchProfile naInRes = BranchProfile.create();
+ private final ConditionProfile matrixProfile = ConditionProfile.createBinaryProfile();
+
+ @Child private GetDimAttributeNode getDimsXNode = GetDimAttributeNode.create();
+ @Child private GetDimAttributeNode getDimsYNode = GetDimAttributeNode.create();
+ @Child private GetDimNamesAttributeNode getDimsNamesXNode = GetDimNamesAttributeNode.create();
+ @Child private GetDimNamesAttributeNode getDimsNamesYNode = GetDimNamesAttributeNode.create();
+ @Child private SetDimNamesAttributeNode setDimNamesNode = SetDimNamesAttributeNodeGen.create();
+ @Child private IsFactorNode isFactorX = new IsFactorNode();
+ @Child private IsFactorNode isFactorY = new IsFactorNode();
}
diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/nmath/RMath.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/nmath/RMath.java
index 22dadebc92..5db1157cc3 100644
--- a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/nmath/RMath.java
+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/nmath/RMath.java
@@ -34,6 +34,13 @@ import com.oracle.truffle.r.runtime.nmath.RMathError.MLError;
*/
public final class RMath {
+ public static double sign(double x) {
+ if (Double.isNaN(x)) {
+ return x;
+ }
+ return ((x > 0) ? 1 : ((x == 0) ? 0 : -1));
+ }
+
public static boolean mlValid(double d) {
return !Double.isNaN(d);
}
diff --git a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/ExpectedTestOutput.test b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/ExpectedTestOutput.test
index b9fc93b7a5..35e626cff2 100644
--- a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/ExpectedTestOutput.test
+++ b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/ExpectedTestOutput.test
@@ -148129,6 +148129,330 @@ Error: argument 'files' must be character
Error in stats::complete.cases(data.frame(col1 = c(1, 2, NA), col2 = c(1, :
not all arguments have the same length
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='a', method='k')
+[1] -0.5477226
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='a', method='p')
+[1] -0.6024641
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='a', method='s')
+[1] -0.6324555
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='c', method='k')
+[1] -0.5477226
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='c', method='p')
+[1] -0.6024641
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='c', method='s')
+[1] -0.6324555
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='e', method='k')
+[1] -0.5477226
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='e', method='p')
+[1] -0.6024641
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='e', method='s')
+[1] -0.6324555
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='n', method='k')
+[1] -0.5477226
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='n', method='p')
+[1] -0.6024641
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='n', method='s')
+[1] -0.6324555
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='p', method='k')
+[1] -0.5477226
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='p', method='p')
+[1] -0.6024641
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(1:4, c(1,7,1,-4), use='p', method='s')
+[1] -0.6324555
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='a', method='k')
+ mpg cyl disp hp
+mpg 1.0000000 -0.7953134 -0.7681311 -0.7428125
+cyl -0.7953134 1.0000000 0.8144263 0.7851865
+disp -0.7681311 0.8144263 1.0000000 0.6659987
+hp -0.7428125 0.7851865 0.6659987 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='a', method='p')
+ mpg cyl disp hp
+mpg 1.0000000 -0.8521620 -0.8475514 -0.7761684
+cyl -0.8521620 1.0000000 0.9020329 0.8324475
+disp -0.8475514 0.9020329 1.0000000 0.7909486
+hp -0.7761684 0.8324475 0.7909486 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='a', method='s')
+ mpg cyl disp hp
+mpg 1.0000000 -0.9108013 -0.9088824 -0.8946646
+cyl -0.9108013 1.0000000 0.9276516 0.9017909
+disp -0.9088824 0.9276516 1.0000000 0.8510426
+hp -0.8946646 0.9017909 0.8510426 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='c', method='k')
+ mpg cyl disp hp
+mpg 1.0000000 -0.7953134 -0.7681311 -0.7428125
+cyl -0.7953134 1.0000000 0.8144263 0.7851865
+disp -0.7681311 0.8144263 1.0000000 0.6659987
+hp -0.7428125 0.7851865 0.6659987 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='c', method='p')
+ mpg cyl disp hp
+mpg 1.0000000 -0.8521620 -0.8475514 -0.7761684
+cyl -0.8521620 1.0000000 0.9020329 0.8324475
+disp -0.8475514 0.9020329 1.0000000 0.7909486
+hp -0.7761684 0.8324475 0.7909486 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='c', method='s')
+ mpg cyl disp hp
+mpg 1.0000000 -0.9108013 -0.9088824 -0.8946646
+cyl -0.9108013 1.0000000 0.9276516 0.9017909
+disp -0.9088824 0.9276516 1.0000000 0.8510426
+hp -0.8946646 0.9017909 0.8510426 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='e', method='k')
+ mpg cyl disp hp
+mpg 1.0000000 -0.7953134 -0.7681311 -0.7428125
+cyl -0.7953134 1.0000000 0.8144263 0.7851865
+disp -0.7681311 0.8144263 1.0000000 0.6659987
+hp -0.7428125 0.7851865 0.6659987 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='e', method='p')
+ mpg cyl disp hp
+mpg 1.0000000 -0.8521620 -0.8475514 -0.7761684
+cyl -0.8521620 1.0000000 0.9020329 0.8324475
+disp -0.8475514 0.9020329 1.0000000 0.7909486
+hp -0.7761684 0.8324475 0.7909486 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='e', method='s')
+ mpg cyl disp hp
+mpg 1.0000000 -0.9108013 -0.9088824 -0.8946646
+cyl -0.9108013 1.0000000 0.9276516 0.9017909
+disp -0.9088824 0.9276516 1.0000000 0.8510426
+hp -0.8946646 0.9017909 0.8510426 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='n', method='k')
+ mpg cyl disp hp
+mpg 1.0000000 -0.7953134 -0.7681311 -0.7428125
+cyl -0.7953134 1.0000000 0.8144263 0.7851865
+disp -0.7681311 0.8144263 1.0000000 0.6659987
+hp -0.7428125 0.7851865 0.6659987 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='n', method='p')
+ mpg cyl disp hp
+mpg 1.0000000 -0.8521620 -0.8475514 -0.7761684
+cyl -0.8521620 1.0000000 0.9020329 0.8324475
+disp -0.8475514 0.9020329 1.0000000 0.7909486
+hp -0.7761684 0.8324475 0.7909486 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='n', method='s')
+ mpg cyl disp hp
+mpg 1.0000000 -0.9108013 -0.9088824 -0.8946646
+cyl -0.9108013 1.0000000 0.9276516 0.9017909
+disp -0.9088824 0.9276516 1.0000000 0.8510426
+hp -0.8946646 0.9017909 0.8510426 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='p', method='k')
+ mpg cyl disp hp
+mpg 1.0000000 -0.7953134 -0.7681311 -0.7428125
+cyl -0.7953134 1.0000000 0.8144263 0.7851865
+disp -0.7681311 0.8144263 1.0000000 0.6659987
+hp -0.7428125 0.7851865 0.6659987 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='p', method='p')
+ mpg cyl disp hp
+mpg 1.0000000 -0.8521620 -0.8475514 -0.7761684
+cyl -0.8521620 1.0000000 0.9020329 0.8324475
+disp -0.8475514 0.9020329 1.0000000 0.7909486
+hp -0.7761684 0.8324475 0.7909486 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cor(mtcars[,1:4], use='p', method='s')
+ mpg cyl disp hp
+mpg 1.0000000 -0.9108013 -0.9088824 -0.8946646
+cyl -0.9108013 1.0000000 0.9276516 0.9017909
+disp -0.9088824 0.9276516 1.0000000 0.8510426
+hp -0.8946646 0.9017909 0.8510426 1.0000000
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='a', method='k')
+[1] -6
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='a', method='p')
+[1] -3.5
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='a', method='s')
+[1] -1
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='c', method='k')
+[1] -6
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='c', method='p')
+[1] -3.5
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='c', method='s')
+[1] -1
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='e', method='k')
+[1] -6
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='e', method='p')
+[1] -3.5
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='e', method='s')
+[1] -1
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='n', method='k')
+[1] -6
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='n', method='p')
+[1] -3.5
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(1:4, c(1,7,1,-4), use='n', method='s')
+[1] -1
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='a', method='k')
+ mpg cyl disp hp
+mpg 978 -638 -752 -722
+cyl -638 658 654 626
+disp -752 654 980 648
+hp -722 626 648 966
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='a', method='p')
+ mpg cyl disp hp
+mpg 36.324103 -9.172379 -633.0972 -320.7321
+cyl -9.172379 3.189516 199.6603 101.9315
+disp -633.097208 199.660282 15360.7998 6721.1587
+hp -320.732056 101.931452 6721.1587 4700.8669
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='a', method='s')
+ mpg cyl disp hp
+mpg 87.88710 -74.54032 -79.87903 -78.56452
+cyl -74.54032 76.20968 75.91935 73.74194
+disp -79.87903 75.91935 87.88710 74.73387
+hp -78.56452 73.74194 74.73387 87.74194
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='c', method='k')
+ mpg cyl disp hp
+mpg 978 -638 -752 -722
+cyl -638 658 654 626
+disp -752 654 980 648
+hp -722 626 648 966
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='c', method='p')
+ mpg cyl disp hp
+mpg 36.324103 -9.172379 -633.0972 -320.7321
+cyl -9.172379 3.189516 199.6603 101.9315
+disp -633.097208 199.660282 15360.7998 6721.1587
+hp -320.732056 101.931452 6721.1587 4700.8669
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='c', method='s')
+ mpg cyl disp hp
+mpg 87.88710 -74.54032 -79.87903 -78.56452
+cyl -74.54032 76.20968 75.91935 73.74194
+disp -79.87903 75.91935 87.88710 74.73387
+hp -78.56452 73.74194 74.73387 87.74194
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='e', method='k')
+ mpg cyl disp hp
+mpg 978 -638 -752 -722
+cyl -638 658 654 626
+disp -752 654 980 648
+hp -722 626 648 966
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='e', method='p')
+ mpg cyl disp hp
+mpg 36.324103 -9.172379 -633.0972 -320.7321
+cyl -9.172379 3.189516 199.6603 101.9315
+disp -633.097208 199.660282 15360.7998 6721.1587
+hp -320.732056 101.931452 6721.1587 4700.8669
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='e', method='s')
+ mpg cyl disp hp
+mpg 87.88710 -74.54032 -79.87903 -78.56452
+cyl -74.54032 76.20968 75.91935 73.74194
+disp -79.87903 75.91935 87.88710 74.73387
+hp -78.56452 73.74194 74.73387 87.74194
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='n', method='k')
+ mpg cyl disp hp
+mpg 978 -638 -752 -722
+cyl -638 658 654 626
+disp -752 654 980 648
+hp -722 626 648 966
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='n', method='p')
+ mpg cyl disp hp
+mpg 36.324103 -9.172379 -633.0972 -320.7321
+cyl -9.172379 3.189516 199.6603 101.9315
+disp -633.097208 199.660282 15360.7998 6721.1587
+hp -320.732056 101.931452 6721.1587 4700.8669
+
+##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCombinations#
+#cov(mtcars[,1:4], use='n', method='s')
+ mpg cyl disp hp
+mpg 87.88710 -74.54032 -79.87903 -78.56452
+cyl -74.54032 76.20968 75.91935 73.74194
+disp -79.87903 75.91935 87.88710 74.73387
+hp -78.56452 73.74194 74.73387 87.74194
+
##com.oracle.truffle.r.test.library.stats.TestExternal_covcor.testCovcor#
#.Call(stats:::C_cov, 1:5, 1:5, 4, FALSE)
[1] 2.5
diff --git a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/stats/TestExternal_covcor.java b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/stats/TestExternal_covcor.java
index 5f548a2355..fe08b63966 100644
--- a/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/stats/TestExternal_covcor.java
+++ b/com.oracle.truffle.r.test/src/com/oracle/truffle/r/test/library/stats/TestExternal_covcor.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@@ -40,4 +40,15 @@ public class TestExternal_covcor extends TestBase {
assertEval(".Call(stats:::C_cov, NULL, 1:5, 4, FALSE)");
assertEval(".Call(stats:::C_cov, 1:3, 1:5, 4, FALSE)");
}
+
+ @Test
+ public void testCombinations() {
+ String[] useCor = new String[]{"e", "a", "c", "n", "p"};
+ String[] useCov = new String[]{"e", "a", "c", "n"};
+ String[] methods = new String[]{"p", "k", "s"};
+ assertEval(template("cor(mtcars[,1:4], use='%0', method='%1')", useCor, methods));
+ assertEval(template("cor(1:4, c(1,7,1,-4), use='%0', method='%1')", useCor, methods));
+ assertEval(template("cov(mtcars[,1:4], use='%0', method='%1')", useCov, methods));
+ assertEval(template("cov(1:4, c(1,7,1,-4), use='%0', method='%1')", useCov, methods));
+ }
}
--
GitLab