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PR: http://nagoya.apache.org/bugzilla/show_bug.cgi?id=23453 

Submitted by:	Brent Warden
Reviewed by:	Mark Diggory


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141003 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mark R. Diggory 2003-10-16 15:15:04 +00:00
parent 985378c6f2
commit eb4d267f51
2 changed files with 8 additions and 3 deletions
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4
src/java/org/apache/commons/math/stat/univariate/rank/Percentile.java
View File

@ -57,7 +57,7 @@ import java.util.Arrays;
import org.apache.commons.math.stat.univariate.AbstractUnivariateStatistic; import org.apache.commons.math.stat.univariate.AbstractUnivariateStatistic;
/** /**
* @version $Revision: 1.6 $ $Date: 2003/10/13 08:10:58 $ * @version $Revision: 1.7 $ $Date: 2003/10/16 15:15:04 $
*/ */
public class Percentile extends AbstractUnivariateStatistic { public class Percentile extends AbstractUnivariateStatistic {
@ -145,7 +145,7 @@ public class Percentile extends AbstractUnivariateStatistic {
if (pos < 1) { if (pos < 1) {
return sorted[0]; return sorted[0];
} }
if (pos > n) { if (pos >= n) {
return sorted[length - 1]; return sorted[length - 1];
} }
double lower = sorted[intPos - 1]; double lower = sorted[intPos - 1];

7
src/test/org/apache/commons/math/stat/univariate/rank/PercentileTest.java
View File

@ -61,7 +61,7 @@ import org.apache.commons.math.stat.univariate.UnivariateStatisticAbstractTest;
/** /**
* Test cases for the {@link UnivariateStatistic} class. * Test cases for the {@link UnivariateStatistic} class.
* @version $Revision: 1.4 $ $Date: 2003/10/13 08:08:39 $ * @version $Revision: 1.5 $ $Date: 2003/10/16 15:15:04 $
*/ */
public class PercentileTest extends UnivariateStatisticAbstractTest{ public class PercentileTest extends UnivariateStatisticAbstractTest{
@ -99,4 +99,9 @@ public class PercentileTest extends UnivariateStatisticAbstractTest{
return 20.82; return 20.82;
} }
public void testHighPercentile(){
double[] d = new double[]{1, 2, 3};
Percentile p = new Percentile(75);
assertEquals(3.0, p.evaluate(d), 1.0e-5);
}
} }