Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
15 | 4 | 0.0% | 21.0% | 79.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.ArgumentOutsideDomainException org.apache.commons.math.ConvergenceException org.apache.commons.math.DimensionMismatchException org.apache.commons.math.DuplicateSampleAbscissaException org.apache.commons.math.FunctionEvaluationException org.apache.commons.math.MathConfigurationException org.apache.commons.math.MathException org.apache.commons.math.MaxIterationsExceededException org.apache.commons.math.MessagesResources_fr |
org.apache.commons.math.analysis org.apache.commons.math.distribution org.apache.commons.math.estimation org.apache.commons.math.fraction org.apache.commons.math.geometry org.apache.commons.math.ode org.apache.commons.math.optimization org.apache.commons.math.random org.apache.commons.math.special org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.moment org.apache.commons.math.stat.inference org.apache.commons.math.stat.regression org.apache.commons.math.transform org.apache.commons.math.util |
java.io java.lang java.text java.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
3 | 7 | 30.000002% | 70.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.analysis.DifferentiableUnivariateRealFunction org.apache.commons.math.analysis.UnivariateRealFunction org.apache.commons.math.analysis.UnivariateRealIntegrator org.apache.commons.math.analysis.UnivariateRealIntegratorImpl org.apache.commons.math.analysis.UnivariateRealInterpolator org.apache.commons.math.analysis.UnivariateRealSolver org.apache.commons.math.analysis.UnivariateRealSolverFactory org.apache.commons.math.analysis.UnivariateRealSolverImpl |
org.apache.commons.math.analysis.BisectionSolver org.apache.commons.math.analysis.BrentSolver org.apache.commons.math.analysis.DividedDifferenceInterpolator org.apache.commons.math.analysis.LaguerreSolver org.apache.commons.math.analysis.MullerSolver org.apache.commons.math.analysis.NevilleInterpolator org.apache.commons.math.analysis.NewtonSolver org.apache.commons.math.analysis.PolynomialFunction org.apache.commons.math.analysis.PolynomialFunctionLagrangeForm org.apache.commons.math.analysis.PolynomialFunctionNewtonForm org.apache.commons.math.analysis.PolynomialSplineFunction org.apache.commons.math.analysis.RiddersSolver org.apache.commons.math.analysis.RombergIntegrator org.apache.commons.math.analysis.SecantSolver org.apache.commons.math.analysis.SimpsonIntegrator org.apache.commons.math.analysis.SplineInterpolator org.apache.commons.math.analysis.TrapezoidIntegrator org.apache.commons.math.analysis.UnivariateRealSolverFactoryImpl org.apache.commons.math.analysis.UnivariateRealSolverUtils |
org.apache.commons.math.distribution org.apache.commons.math.ode org.apache.commons.math.transform |
java.io java.lang java.util org.apache.commons.discovery.tools org.apache.commons.math org.apache.commons.math.complex org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 5 | 0.0% | 71.0% | 29.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.complex.Complex org.apache.commons.math.complex.ComplexFormat org.apache.commons.math.complex.ComplexUtils |
org.apache.commons.math.analysis org.apache.commons.math.transform |
java.io java.lang java.text java.util org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 6 | 58.999996% | 75.0% | 34.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.distribution.AbstractContinuousDistribution org.apache.commons.math.distribution.AbstractDistribution org.apache.commons.math.distribution.AbstractIntegerDistribution org.apache.commons.math.distribution.BinomialDistribution org.apache.commons.math.distribution.CauchyDistribution org.apache.commons.math.distribution.ChiSquaredDistribution org.apache.commons.math.distribution.ContinuousDistribution org.apache.commons.math.distribution.DiscreteDistribution org.apache.commons.math.distribution.Distribution org.apache.commons.math.distribution.DistributionFactory org.apache.commons.math.distribution.ExponentialDistribution org.apache.commons.math.distribution.FDistribution org.apache.commons.math.distribution.GammaDistribution org.apache.commons.math.distribution.HypergeometricDistribution org.apache.commons.math.distribution.IntegerDistribution org.apache.commons.math.distribution.NormalDistribution org.apache.commons.math.distribution.PascalDistribution org.apache.commons.math.distribution.PoissonDistribution org.apache.commons.math.distribution.TDistribution org.apache.commons.math.distribution.WeibullDistribution |
org.apache.commons.math.distribution.AbstractContinuousDistribution$1 org.apache.commons.math.distribution.BinomialDistributionImpl org.apache.commons.math.distribution.CauchyDistributionImpl org.apache.commons.math.distribution.ChiSquaredDistributionImpl org.apache.commons.math.distribution.DistributionFactoryImpl org.apache.commons.math.distribution.ExponentialDistributionImpl org.apache.commons.math.distribution.FDistributionImpl org.apache.commons.math.distribution.GammaDistributionImpl org.apache.commons.math.distribution.HypergeometricDistributionImpl org.apache.commons.math.distribution.NormalDistributionImpl org.apache.commons.math.distribution.PascalDistributionImpl org.apache.commons.math.distribution.PoissonDistributionImpl org.apache.commons.math.distribution.TDistributionImpl org.apache.commons.math.distribution.WeibullDistributionImpl |
org.apache.commons.math.stat.inference org.apache.commons.math.stat.regression |
java.io java.lang org.apache.commons.math org.apache.commons.math.analysis org.apache.commons.math.special org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 5 | 44.0% | 100.0% | 44.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.estimation.AbstractEstimator org.apache.commons.math.estimation.EstimationProblem org.apache.commons.math.estimation.Estimator org.apache.commons.math.estimation.WeightedMeasurement |
org.apache.commons.math.estimation.EstimatedParameter org.apache.commons.math.estimation.EstimationException org.apache.commons.math.estimation.GaussNewtonEstimator org.apache.commons.math.estimation.LevenbergMarquardtEstimator org.apache.commons.math.estimation.SimpleEstimationProblem |
None | java.io java.lang java.util org.apache.commons.math org.apache.commons.math.linear |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 7 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.fraction.Fraction org.apache.commons.math.fraction.FractionConversionException org.apache.commons.math.fraction.FractionFormat org.apache.commons.math.fraction.ProperFractionFormat |
None | java.io java.lang java.math java.text java.util org.apache.commons.math org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 3 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.geometry.CardanEulerSingularityException org.apache.commons.math.geometry.NotARotationMatrixException org.apache.commons.math.geometry.Rotation org.apache.commons.math.geometry.RotationOrder org.apache.commons.math.geometry.Vector3D |
None | java.io java.lang org.apache.commons.math |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
5 | 4 | 33.0% | 44.0% | 22.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.linear.BigMatrix org.apache.commons.math.linear.QRDecomposition org.apache.commons.math.linear.RealMatrix |
org.apache.commons.math.linear.BigMatrixImpl org.apache.commons.math.linear.InvalidMatrixException org.apache.commons.math.linear.MatrixIndexException org.apache.commons.math.linear.MatrixUtils org.apache.commons.math.linear.QRDecompositionImpl org.apache.commons.math.linear.RealMatrixImpl |
org.apache.commons.math.estimation org.apache.commons.math.optimization org.apache.commons.math.random org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.moment |
java.io java.lang java.math org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 5 | 32.0% | 100.0% | 32.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.ode.AbstractStepInterpolator org.apache.commons.math.ode.AdaptiveStepsizeIntegrator org.apache.commons.math.ode.EmbeddedRungeKuttaIntegrator org.apache.commons.math.ode.FirstOrderDifferentialEquations org.apache.commons.math.ode.FirstOrderIntegrator org.apache.commons.math.ode.FixedStepHandler org.apache.commons.math.ode.RungeKuttaIntegrator org.apache.commons.math.ode.RungeKuttaStepInterpolator org.apache.commons.math.ode.SecondOrderDifferentialEquations org.apache.commons.math.ode.SecondOrderIntegrator org.apache.commons.math.ode.StepHandler org.apache.commons.math.ode.StepInterpolator org.apache.commons.math.ode.SwitchingFunction |
org.apache.commons.math.ode.ClassicalRungeKuttaIntegrator org.apache.commons.math.ode.ClassicalRungeKuttaStepInterpolator org.apache.commons.math.ode.ContinuousOutputModel org.apache.commons.math.ode.DerivativeException org.apache.commons.math.ode.DormandPrince54Integrator org.apache.commons.math.ode.DormandPrince54StepInterpolator org.apache.commons.math.ode.DormandPrince853Integrator org.apache.commons.math.ode.DormandPrince853StepInterpolator org.apache.commons.math.ode.DummyStepHandler org.apache.commons.math.ode.DummyStepInterpolator org.apache.commons.math.ode.EulerIntegrator org.apache.commons.math.ode.EulerStepInterpolator org.apache.commons.math.ode.FirstOrderConverter org.apache.commons.math.ode.GillIntegrator org.apache.commons.math.ode.GillStepInterpolator org.apache.commons.math.ode.GraggBulirschStoerIntegrator org.apache.commons.math.ode.GraggBulirschStoerStepInterpolator org.apache.commons.math.ode.HighamHall54Integrator org.apache.commons.math.ode.HighamHall54StepInterpolator org.apache.commons.math.ode.IntegratorException org.apache.commons.math.ode.MidpointIntegrator org.apache.commons.math.ode.MidpointStepInterpolator org.apache.commons.math.ode.StepNormalizer org.apache.commons.math.ode.SwitchState org.apache.commons.math.ode.SwitchState$1 org.apache.commons.math.ode.SwitchingFunctionsHandler org.apache.commons.math.ode.ThreeEighthesIntegrator org.apache.commons.math.ode.ThreeEighthesStepInterpolator |
None | java.io java.lang java.util org.apache.commons.math org.apache.commons.math.analysis |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 6 | 38.0% | 100.0% | 38.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.optimization.ConvergenceChecker org.apache.commons.math.optimization.CostFunction org.apache.commons.math.optimization.DirectSearchOptimizer |
org.apache.commons.math.optimization.CostException org.apache.commons.math.optimization.DirectSearchOptimizer$1 org.apache.commons.math.optimization.MultiDirectional org.apache.commons.math.optimization.NelderMead org.apache.commons.math.optimization.PointCostPair |
None | java.lang java.util org.apache.commons.math org.apache.commons.math.linear org.apache.commons.math.random org.apache.commons.math.stat.descriptive.moment |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 8 | 33.0% | 89.0% | 22.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.random.AbstractRandomGenerator org.apache.commons.math.random.EmpiricalDistribution org.apache.commons.math.random.EmpiricalDistributionImpl$DataAdapter org.apache.commons.math.random.NormalizedRandomGenerator org.apache.commons.math.random.RandomData org.apache.commons.math.random.RandomGenerator org.apache.commons.math.random.RandomVectorGenerator |
org.apache.commons.math.random.CorrelatedRandomVectorGenerator org.apache.commons.math.random.EmpiricalDistributionImpl org.apache.commons.math.random.EmpiricalDistributionImpl$1 org.apache.commons.math.random.EmpiricalDistributionImpl$ArrayDataAdapter org.apache.commons.math.random.EmpiricalDistributionImpl$DataAdapterFactory org.apache.commons.math.random.EmpiricalDistributionImpl$StreamDataAdapter org.apache.commons.math.random.GaussianRandomGenerator org.apache.commons.math.random.JDKRandomGenerator org.apache.commons.math.random.NotPositiveDefiniteMatrixException org.apache.commons.math.random.RandomAdaptor org.apache.commons.math.random.RandomDataImpl org.apache.commons.math.random.UncorrelatedRandomVectorGenerator org.apache.commons.math.random.UniformRandomGenerator org.apache.commons.math.random.ValueServer |
org.apache.commons.math.optimization |
java.io java.lang java.net java.security java.util org.apache.commons.math org.apache.commons.math.linear org.apache.commons.math.stat.descriptive |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 4 | 0.0% | 80.0% | 20.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.special.Beta org.apache.commons.math.special.Beta$1 org.apache.commons.math.special.Erf org.apache.commons.math.special.Gamma org.apache.commons.math.special.Gamma$1 |
org.apache.commons.math.distribution |
java.io java.lang org.apache.commons.math org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
1 | 8 | 0.0% | 89.0% | 11.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.stat.Frequency org.apache.commons.math.stat.Frequency$1 org.apache.commons.math.stat.Frequency$NaturalComparator org.apache.commons.math.stat.StatUtils |
org.apache.commons.math.stat.inference |
java.io java.lang java.text java.util org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.moment org.apache.commons.math.stat.descriptive.rank org.apache.commons.math.stat.descriptive.summary |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
6 | 11 | 40.0% | 65.0% | 5.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.stat.descriptive.AbstractStorelessUnivariateStatistic org.apache.commons.math.stat.descriptive.AbstractUnivariateStatistic org.apache.commons.math.stat.descriptive.StatisticalMultivariateSummary org.apache.commons.math.stat.descriptive.StatisticalSummary org.apache.commons.math.stat.descriptive.StorelessUnivariateStatistic org.apache.commons.math.stat.descriptive.UnivariateStatistic |
org.apache.commons.math.stat.descriptive.DescriptiveStatistics org.apache.commons.math.stat.descriptive.DescriptiveStatisticsImpl org.apache.commons.math.stat.descriptive.MultivariateSummaryStatistics org.apache.commons.math.stat.descriptive.StatisticalSummaryValues org.apache.commons.math.stat.descriptive.SummaryStatistics org.apache.commons.math.stat.descriptive.SummaryStatisticsImpl org.apache.commons.math.stat.descriptive.SynchronizedDescriptiveStatistics org.apache.commons.math.stat.descriptive.SynchronizedMultivariateSummaryStatistics org.apache.commons.math.stat.descriptive.SynchronizedSummaryStatistics |
org.apache.commons.math.random org.apache.commons.math.stat org.apache.commons.math.stat.descriptive.moment org.apache.commons.math.stat.descriptive.rank org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.inference |
java.io java.lang java.lang.reflect java.util org.apache.commons.discovery.tools org.apache.commons.math org.apache.commons.math.linear org.apache.commons.math.stat.descriptive.moment org.apache.commons.math.stat.descriptive.rank org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.util |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
3 | 7 | 0.0% | 70.0% | 30.000002% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.stat.descriptive.moment.FirstMoment org.apache.commons.math.stat.descriptive.moment.FourthMoment org.apache.commons.math.stat.descriptive.moment.GeometricMean org.apache.commons.math.stat.descriptive.moment.Kurtosis org.apache.commons.math.stat.descriptive.moment.Mean org.apache.commons.math.stat.descriptive.moment.SecondMoment org.apache.commons.math.stat.descriptive.moment.Skewness org.apache.commons.math.stat.descriptive.moment.StandardDeviation org.apache.commons.math.stat.descriptive.moment.ThirdMoment org.apache.commons.math.stat.descriptive.moment.Variance org.apache.commons.math.stat.descriptive.moment.VectorialCovariance org.apache.commons.math.stat.descriptive.moment.VectorialMean |
org.apache.commons.math.optimization org.apache.commons.math.stat org.apache.commons.math.stat.descriptive |
java.io java.lang java.util org.apache.commons.math org.apache.commons.math.linear org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
2 | 4 | 0.0% | 67.0% | 33.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.stat.descriptive.rank.Max org.apache.commons.math.stat.descriptive.rank.Median org.apache.commons.math.stat.descriptive.rank.Min org.apache.commons.math.stat.descriptive.rank.Percentile |
org.apache.commons.math.stat org.apache.commons.math.stat.descriptive |
java.io java.lang java.util org.apache.commons.math.stat.descriptive |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
4 | 3 | 0.0% | 43.0% | 57.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.stat.descriptive.summary.Product org.apache.commons.math.stat.descriptive.summary.Sum org.apache.commons.math.stat.descriptive.summary.SumOfLogs org.apache.commons.math.stat.descriptive.summary.SumOfSquares |
org.apache.commons.math.stat org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.moment org.apache.commons.math.stat.inference |
java.io java.lang org.apache.commons.math.stat.descriptive |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 8 | 45.0% | 100.0% | 45.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.stat.inference.ChiSquareTest org.apache.commons.math.stat.inference.OneWayAnova org.apache.commons.math.stat.inference.TTest org.apache.commons.math.stat.inference.TestFactory org.apache.commons.math.stat.inference.UnknownDistributionChiSquareTest |
org.apache.commons.math.stat.inference.ChiSquareTestImpl org.apache.commons.math.stat.inference.OneWayAnovaImpl org.apache.commons.math.stat.inference.OneWayAnovaImpl$AnovaStats org.apache.commons.math.stat.inference.TTestImpl org.apache.commons.math.stat.inference.TestFactoryImpl org.apache.commons.math.stat.inference.TestUtils |
None | java.lang java.util org.apache.commons.discovery.tools org.apache.commons.math org.apache.commons.math.distribution org.apache.commons.math.stat org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 4 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.stat.regression.SimpleRegression |
None | java.io java.lang org.apache.commons.math org.apache.commons.math.distribution |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
0 | 5 | 0.0% | 100.0% | 0.0% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
None | org.apache.commons.math.transform.FastCosineTransformer org.apache.commons.math.transform.FastFourierTransformer org.apache.commons.math.transform.FastSineTransformer |
None | java.io java.lang org.apache.commons.math org.apache.commons.math.analysis org.apache.commons.math.complex |
Afferent Couplings | Efferent Couplings | Abstractness | Instability | Distance |
---|---|---|---|---|
7 | 5 | 43.0% | 42.0% | 15.000001% |
Abstract Classes | Concrete Classes | Used by Packages | Uses Packages |
---|---|---|---|
org.apache.commons.math.util.ContinuedFraction org.apache.commons.math.util.DoubleArray org.apache.commons.math.util.NumberTransformer |
org.apache.commons.math.util.DefaultTransformer org.apache.commons.math.util.MathUtils org.apache.commons.math.util.ResizableDoubleArray org.apache.commons.math.util.TransformerMap |
org.apache.commons.math.analysis org.apache.commons.math.complex org.apache.commons.math.distribution org.apache.commons.math.fraction org.apache.commons.math.linear org.apache.commons.math.special org.apache.commons.math.stat.descriptive |
java.io java.lang java.math java.util org.apache.commons.math |
Package | Package Dependencies |
---|---|
org.apache.commons.math.optimization | org.apache.commons.math.random org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive |
org.apache.commons.math.random | org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive |
org.apache.commons.math.stat | org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary |
org.apache.commons.math.stat.descriptive | org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive |
org.apache.commons.math.stat.descriptive.moment | org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary |
org.apache.commons.math.stat.descriptive.rank | org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive |
org.apache.commons.math.stat.descriptive.summary | org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary |
org.apache.commons.math.stat.inference | org.apache.commons.math.stat.descriptive org.apache.commons.math.stat.descriptive.summary org.apache.commons.math.stat.descriptive |
Term | Description |
---|---|
Number of Classes | The number of concrete and abstract classes (and interfaces) in the package is an indicator of the extensibility of the package. |
Afferent Couplings | The number of other packages that depend upon classes within the package is an indicator of the package's responsibility. |
Efferent Couplings | The number of other packages that the classes in the package depend upon is an indicator of the package's independence. |
Abstractness | The ratio of the number of abstract classes (and interfaces) in the analyzed package to the total number of classes in the analyzed package. The range for this metric is 0 to 1, with A=0 indicating a completely concrete package and A=1 indicating a completely abstract package. |
Instability | The ratio of efferent coupling (Ce) to total coupling (Ce / (Ce + Ca)). This metric is an indicator of the package's resilience to change. The range for this metric is 0 to 1, with I=0 indicating a completely stable package and I=1 indicating a completely instable package. |
Distance | The perpendicular distance of a package from the idealized line A + I = 1. This metric is an indicator of the package's balance between abstractness and stability. A package squarely on the main sequence is optimally balanced with respect to its abstractness and stability. Ideal packages are either completely abstract and stable (x=0, y=1) or completely concrete and instable (x=1, y=0). The range for this metric is 0 to 1, with D=0 indicating a package that is coincident with the main sequence and D=1 indicating a package that is as far from the main sequence as possible. |
Cycles | Packages participating in a package dependency cycle are in a deadly embrace with respect to reusability and their release cycle. Package dependency cycles can be easily identified by reviewing the textual reports of dependency cycles. Once these dependency cycles have been identified with JDepend, they can be broken by employing various object-oriented techniques. |