Apache Commons logo Apache Commons Statistics
Apache Commons Statistics Inference ™
  • Last Published: 17 Sep 2025
  • |
  • Version: 1.2

PMD Results

The following document contains the results of PMD 7.17.0.

Violations By Priority

Priority 3

org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java

Rule Violation Line
AssignmentInOperand Avoid assignment to p2 in operand 609

org/apache/commons/statistics/inference/MannWhitneyUTest.java

Rule Violation Line
AssignmentInOperand Avoid assignments in operands 564
AssignmentInOperand Avoid assignments in operands 572
AssignmentInOperand Avoid assignment to fmnk in operand 627

org/apache/commons/statistics/inference/UnconditionedExactTest.java

Rule Violation Line
AssignmentInOperand Avoid assignment to size in operand 324
AssignmentInOperand Avoid assignment to size in operand 421
AssignmentInOperand Avoid assignment to s in operand 440
AssignmentInOperand Avoid assignment to size in operand 467
AssignmentInOperand Avoid assignments in operands 1087

org/apache/commons/statistics/inference/WilcoxonSignedRankTest.java

Rule Violation Line
AssignmentInOperand Avoid assignments in operands 643

Files

org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java

Rule Violation Priority Line
AssignmentInOperand Avoid assignment to p2 in operand 3 609

org/apache/commons/statistics/inference/MannWhitneyUTest.java

Rule Violation Priority Line
AssignmentInOperand Avoid assignments in operands 3 564
AssignmentInOperand Avoid assignments in operands 3 572
AssignmentInOperand Avoid assignment to fmnk in operand 3 627

org/apache/commons/statistics/inference/UnconditionedExactTest.java

Rule Violation Priority Line
AssignmentInOperand Avoid assignment to size in operand 3 324
AssignmentInOperand Avoid assignment to size in operand 3 421
AssignmentInOperand Avoid assignment to s in operand 3 440
AssignmentInOperand Avoid assignment to size in operand 3 467
AssignmentInOperand Avoid assignments in operands 3 1087

org/apache/commons/statistics/inference/WilcoxonSignedRankTest.java

Rule Violation Priority Line
AssignmentInOperand Avoid assignments in operands 3 643

Suppressed Violations

Filename Rule message Suppression type Reason
org/apache/commons/statistics/inference/Arguments.java Possible God Class (WMC=57, ATFD=7, TCC=0.000%) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='NaturalRanking' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='Arguments' or @SimpleName='MannWhitneyUTest' or @SimpleName='WilcoxonSignedRankTest' or @SimpleName='HypergeometricDistribution' or @SimpleName='UnconditionedExactTest' or @SimpleName='DoubleStatistics' or @SimpleName='IntStatistics' or @SimpleName='LongStatistics' or @SimpleName='Quantile']
org/apache/commons/statistics/inference/Arguments.java Use opposite operator instead of the logic complement operator. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='Arguments' or @Name='Quantile']
org/apache/commons/statistics/inference/BinomialTest.java The class 'BinomialTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/BracketFinder.java The method 'search(DoubleUnaryOperator, double, double, double, double)' has a NCSS line count of 79. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='DD' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/BracketFinder.java The method 'search(DoubleUnaryOperator, double, double, double, double)' has a cognitive complexity of 26, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/BracketFinder.java The class 'BracketFinder' is suspected to be a Data Class (WOC=12.500%, NOPA=0, NOAM=7, WMC=23) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='BracketFinder']
org/apache/commons/statistics/inference/BrentOptimizer.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/BrentOptimizer.java The method 'optimize(DoubleUnaryOperator, double, double, double, double)' has an NPath complexity of 4038, current threshold is 200 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BrentOptimizer' or @SimpleName='BracketFinder']
org/apache/commons/statistics/inference/BrentOptimizer.java The method 'optimize(DoubleUnaryOperator, double, double, double, double)' has a cyclomatic complexity of 28. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/BrentOptimizer.java The method 'optimize(DoubleUnaryOperator, double, double, double, double)' has a NCSS line count of 97. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='DD' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/BrentOptimizer.java The method 'optimize(DoubleUnaryOperator, double, double, double, double)' has a cognitive complexity of 65, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/ChiSquareTest.java The class 'ChiSquareTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/FisherExactTest.java The class 'FisherExactTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/GTest.java The class 'GTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/Hypergeom.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java Avoid short class names like Two xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='DD' or @SimpleName='Two' or @SimpleName='One' or @SimpleName='Min' or @SimpleName='Max' or @SimpleName='Sum' or @SimpleName='Mean']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java Avoid short class names like One xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='DD' or @SimpleName='Two' or @SimpleName='One' or @SimpleName='Min' or @SimpleName='Max' or @SimpleName='Sum' or @SimpleName='Mean']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java The method 'sf(double, int, ScaledPower)' has an NPath complexity of 2592, current threshold is 200 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BrentOptimizer' or @SimpleName='BracketFinder']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java The method 'computeA(int, double, int[], int[])' has a cognitive complexity of 15, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java The method 'pomeranz(double, int)' has a cognitive complexity of 18, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovDistribution.java The method 'sf(double, int, ScaledPower)' has a cognitive complexity of 20, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'computeIntegralKolmogorovSmirnovStatistic(double[], double[], int[], long[])' has an NPath complexity of 231, current threshold is 200 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BrentOptimizer' or @SimpleName='BracketFinder']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'computeIntegralKolmogorovSmirnovStatistic(double[], double[], int[], long[])' has a cyclomatic complexity of 20. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The class 'KolmogorovSmirnovTest' has a total cyclomatic complexity of 126 (highest 20). xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'computeIntegralKolmogorovSmirnovStatistic(double[], double[], int[], long[])' has a NCSS line count of 61. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='DD' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'testIntegralKolmogorovSmirnovStatistic(double[], double[], long, long)' has a cognitive complexity of 35, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'computeIntegralKolmogorovSmirnovStatistic(double[], double[], int[], long[])' has a cognitive complexity of 42, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The method 'computeStatistic(double[], DoubleUnaryOperator, int[])' has a cognitive complexity of 24, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java Possible God Class (WMC=126, ATFD=19, TCC=13.960%) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='NaturalRanking' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='Arguments' or @SimpleName='MannWhitneyUTest' or @SimpleName='WilcoxonSignedRankTest' or @SimpleName='HypergeometricDistribution' or @SimpleName='UnconditionedExactTest' or @SimpleName='DoubleStatistics' or @SimpleName='IntStatistics' or @SimpleName='LongStatistics' or @SimpleName='Quantile']
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java Overriding method merely calls super xpath ./ancestor-or-self::ClassDeclaration[matches(@SimpleName, '^.*Result$')]
org/apache/commons/statistics/inference/KolmogorovSmirnovTest.java The class 'KolmogorovSmirnovTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/MannWhitneyUTest.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/MannWhitneyUTest.java The method 'getF(int, int, int)' has a cognitive complexity of 39, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/MannWhitneyUTest.java Possible God Class (WMC=53, ATFD=20, TCC=14.706%) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='NaturalRanking' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='Arguments' or @SimpleName='MannWhitneyUTest' or @SimpleName='WilcoxonSignedRankTest' or @SimpleName='HypergeometricDistribution' or @SimpleName='UnconditionedExactTest' or @SimpleName='DoubleStatistics' or @SimpleName='IntStatistics' or @SimpleName='LongStatistics' or @SimpleName='Quantile']
org/apache/commons/statistics/inference/MannWhitneyUTest.java Overriding method merely calls super xpath ./ancestor-or-self::ClassDeclaration[matches(@SimpleName, '^.*Result$')]
org/apache/commons/statistics/inference/MannWhitneyUTest.java The class 'MannWhitneyUTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/SquareMatrixSupport.java The user-supplied array 'data' is stored directly. xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='DistributionException' or @SimpleName='ArrayRealSquareMatrix']
org/apache/commons/statistics/inference/TTest.java The class 'TTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/UnconditionedExactTest.java The method 'findExtremeTablesZ(int, int, int, int, boolean, XYList)' has a cognitive complexity of 21, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/UnconditionedExactTest.java The method 'createBinomialModel(XYList)' has a cognitive complexity of 15, current threshold is 15 xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='AbstractContinuousDistribution' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='KolmogorovSmirnovDistribution' or @SimpleName='MannWhitneyUTest' or @SimpleName='BracketFinder' or @SimpleName='BrentOptimizer' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/UnconditionedExactTest.java Possible God Class (WMC=69, ATFD=26, TCC=18.954%) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='NaturalRanking' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='Arguments' or @SimpleName='MannWhitneyUTest' or @SimpleName='WilcoxonSignedRankTest' or @SimpleName='HypergeometricDistribution' or @SimpleName='UnconditionedExactTest' or @SimpleName='DoubleStatistics' or @SimpleName='IntStatistics' or @SimpleName='LongStatistics' or @SimpleName='Quantile']
org/apache/commons/statistics/inference/UnconditionedExactTest.java Overriding method merely calls super xpath ./ancestor-or-self::ClassDeclaration[matches(@SimpleName, '^.*Result$')]
org/apache/commons/statistics/inference/UnconditionedExactTest.java Field size has the same name as a method xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='IntList' or @SimpleName='DD' or @SimpleName='XYList' ]
org/apache/commons/statistics/inference/UnconditionedExactTest.java The class 'UnconditionedExactTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*
org/apache/commons/statistics/inference/UnconditionedExactTest.java Avoid instantiating new objects inside loops xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='MannWhitneyUTest' or @SimpleName='UnconditionedExactTest']
org/apache/commons/statistics/inference/WilcoxonSignedRankTest.java Avoid using short method names xpath ./ancestor-or-self::MethodDeclaration[@Name='sf' or @Name='of']
org/apache/commons/statistics/inference/WilcoxonSignedRankTest.java Possible God Class (WMC=54, ATFD=14, TCC=11.462%) xpath ./ancestor-or-self::ClassDeclaration[@SimpleName='NaturalRanking' or @SimpleName='KolmogorovSmirnovTest' or @SimpleName='DD' or @SimpleName='Arguments' or @SimpleName='MannWhitneyUTest' or @SimpleName='WilcoxonSignedRankTest' or @SimpleName='HypergeometricDistribution' or @SimpleName='UnconditionedExactTest' or @SimpleName='DoubleStatistics' or @SimpleName='IntStatistics' or @SimpleName='LongStatistics' or @SimpleName='Quantile']
org/apache/commons/statistics/inference/WilcoxonSignedRankTest.java The class 'WilcoxonSignedRankTest' might be a test class, but it contains no test cases. regex .*'BinomialTest'.*|.*'ChiSquareTest'.*|.*'FisherExactTest'.*|.*'GTest'.*|.*'KolmogorovSmirnovTest'.*|.*'MannWhitneyUTest'.*|.*'TTest'.*|.*'WilcoxonSignedRankTest'.*|.*'UnconditionedExactTest'.*

Copyright © 2018-2025 The Apache Software Foundation. All Rights Reserved.

Apache Commons, Apache Commons Statistics Inference, Apache, the Apache logo, and the Apache Commons project logos are trademarks of The Apache Software Foundation. All other marks mentioned may be trademarks or registered trademarks of their respective owners.