java.lang.Object

org.hipparchus.UnitTestUtils

public class UnitTestUtils extends Object

嵌套类概要

嵌套类

修饰符和类型

类

说明

static class

UnitTestUtils.Frequency<T>

Keeps track of the number of occurrences of distinct T instances added via UnitTestUtils.Frequency.addValue(Object).

static class

UnitTestUtils.SimpleRegression

Stripped-down version of the bivariate regression class with the same name in o.h.stat.regression.

static class

UnitTestUtils.SimpleStatistics

Stripped down implementation of StreamingStatistics from o.h.stat.descriptive.
方法概要

修饰符和类型

方法

说明

static void

assertChiSquareAccept(double[] expected, long[] observed, double alpha)

Asserts the null hypothesis for a ChiSquare test.

static void

assertChiSquareAccept(int[] values, double[] expected, long[] observed, double alpha)

Asserts the null hypothesis for a ChiSquare test.

static void

assertChiSquareAccept(String[] valueLabels, double[] expected, long[] observed, double alpha)

Asserts the null hypothesis for a ChiSquare test.

static void

assertContains(double[][] expected, double[] observed, double epsilon)

verifies that for i = 0,..., observed.length, observed[i] is within epsilon of one of the values in expected[i] or observed[i] is NaN and expected[i] contains a NaN.

static void

assertContains(double[] values, double x, double epsilon)

Fails iff values does not contain a number within epsilon of x.

static void

assertContains(String msg, double[] values, double x, double epsilon)

Fails iff values does not contain a number within epsilon of x.

static void

assertContains(String msg, Complex[] values, Complex z, double epsilon)

Fails iff values does not contain a number within epsilon of z.

static void

assertContains(Complex[] values, Complex z, double epsilon)

Fails iff values does not contain a number within epsilon of z.

static void

assertEquals(double[] expected, double[] observed, double tolerance)

Verifies that two double arrays have equal entries, up to tolerance

static void

assertEquals(double expected, double actual, double delta)

Verifies that expected and actual are within delta, or are both NaN or infinities of the same sign.

static void

assertEquals(int[] expected, int[] observed)

verifies that two int arrays are equal

static void

assertEquals(long[] expected, long[] observed)

verifies that two int arrays are equal

static void

assertEquals(String msg, double[] expected, double[] observed, double tolerance)

verifies that two arrays are close (sup norm)

static void

assertEquals(String message, double[] expected, RealVector actual, double delta)

Asserts that all entries of the specified vectors are equal to within a positive delta.

static void

assertEquals(String msg, double expected, double actual, double delta)

Verifies that expected and actual are within delta, or are both NaN or infinities of the same sign.

static void

assertEquals(String msg, RealMatrix expected, RealMatrix observed, double tolerance)

verifies that two matrices are close (1-norm)

static void

assertEquals(String message, RealVector expected, RealVector actual, double delta)

Asserts that all entries of the specified vectors are equal to within a positive delta.

static void

assertEquals(Complex expected, Complex actual, double delta)

Verifies that real and imaginary parts of the two complex arguments differ by at most delta.

static void

assertEquals(FieldComplex<Binary64> expected, FieldComplex<Binary64> actual, double delta)

Verifies that real and imaginary parts of the two complex arguments differ by at most delta.

static void

assertEquals(FieldMatrix<? extends FieldElement<?>> expected, FieldMatrix<? extends FieldElement<?>> observed)

verifies that two matrices are equal

static <T extends FieldElement<T>> void

assertEquals(T[] m, T[] n)

verifies that two arrays are equal

static void

assertGTest(double[] expected, long[] observed, double alpha)

Asserts the null hypothesis that the observed counts follow the given distribution implied by expected, using a G-test

static void

assertGTest(RealDistribution expectedDistribution, double[] values, double alpha)

Asserts the null hypothesis that the sample follows the given distribution, using a G-test

static void

assertRelativelyEquals(double expected, double actual, double relativeError)

Verifies that the relative error in actual vs. expected is less than or equal to relativeError.

static void

assertRelativelyEquals(String msg, double expected, double actual, double relativeError)

Verifies that the relative error in actual vs. expected is less than or equal to relativeError.

static void

assertSame(double expected, double actual)

Verifies that the two arguments are exactly the same, either both NaN or infinities of same sign, or identical floating point values.

static void

assertSame(Complex expected, Complex actual)

Verifies that real and imaginary parts of the two complex arguments are exactly the same.

static void

assertSame(FieldComplex<Binary64> expected, FieldComplex<Binary64> actual)

Verifies that real and imaginary parts of the two complex arguments are exactly the same.

static void

checkSerializedEquality(Object object)

Verifies that serialization preserves equals and hashCode.

static double

chiSquare(double[] expected, long[] observed)

Returns chi-square test statistic for expected and observed arrays.

static double

chiSquareTest(double[] expected, long[] observed)

Returns p-value associated with null hypothesis that observed counts follow expected distribution.

static double

covariance(double[] xArray, double[] yArray)

Computes the covariance of the two input arrays.

static RealMatrix

covarianceMatrix(RealMatrix matrix)

Computes a covariance matrix from a matrix whose columns represent covariates.

static int

eliminateZeroMassPoints(int[] densityPoints, double[] densityValues)

Eliminates points with zero mass from densityPoints and densityValues parallel arrays.

static double[]

getDistributionQuartiles(RealDistribution distribution)

Computes the 25th, 50th and 75th percentiles of the given distribution and returns these values in an array.

static double

max(double[] values)

Computes the maximum of the values in the input array.

static double

mean(double[] values)

Computes the mean of the values in the array.

static double

median(double[] values)

Computes the median of the values in the input array.

static double

min(double[] values)

static Object

serializeAndRecover(Object o)

Serializes an object to a bytes array and then recovers the object from the bytes array.

static double

standardDeviation(double[] values)

Computes the standard deviation of the values in the input array.

static double

sumSquareDev(double[] values, double target)

Computes the sum of squared deviations of from

static void

updateCounts(double value, long[] counts, double[] quartiles)

Updates observed counts of values in quartiles.

static double

variance(double[] values)

Computes the (bias-adjusted) variance of the values in the input array.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

方法详细资料
- assertEquals
  
  public static void assertEquals(double expected, double actual, double delta)
  
  Verifies that expected and actual are within delta, or are both NaN or infinities of the same sign.
- assertEquals
  
  public static void assertEquals(String msg, double expected, double actual, double delta)
  
  Verifies that expected and actual are within delta, or are both NaN or infinities of the same sign.
- assertSame
  
  public static void assertSame(double expected, double actual)
  
  Verifies that the two arguments are exactly the same, either both NaN or infinities of same sign, or identical floating point values.
- assertSame
  
  public static void assertSame(Complex expected, Complex actual)
  
  Verifies that real and imaginary parts of the two complex arguments are exactly the same. Also ensures that NaN / infinite components match.
- assertEquals
  
  public static void assertEquals(Complex expected, Complex actual, double delta)
  
  Verifies that real and imaginary parts of the two complex arguments differ by at most delta. Also ensures that NaN / infinite components match.
- assertEquals
  
  public static void assertEquals(FieldComplex<Binary64> expected, FieldComplex<Binary64> actual, double delta)
  
  Verifies that real and imaginary parts of the two complex arguments differ by at most delta. Also ensures that NaN / infinite components match.
- assertSame
  
  public static void assertSame(FieldComplex<Binary64> expected, FieldComplex<Binary64> actual)
  
  Verifies that real and imaginary parts of the two complex arguments are exactly the same. Also ensures that NaN / infinite components match.
- assertEquals
  
  public static void assertEquals(double[] expected, double[] observed, double tolerance)
  
  Verifies that two double arrays have equal entries, up to tolerance
- serializeAndRecover
  
  public static Object serializeAndRecover(Object o)
  
  Serializes an object to a bytes array and then recovers the object from the bytes array. Returns the deserialized object.
  
  参数:
  
  o - 要序列化和恢复的对象
  
  返回:
  
  恢复的反序列化对象
- checkSerializedEquality
  
  public static void checkSerializedEquality(Object object)
  
  Verifies that serialization preserves equals and hashCode. Serializes the object, then recovers it and checks equals and hash code.
  
  参数:
  
  object - 要序列化和恢复的对象
- assertRelativelyEquals
  
  public static void assertRelativelyEquals(double expected, double actual, double relativeError)
  
  Verifies that the relative error in actual vs. expected is less than or equal to relativeError. If expected is infinite or NaN, actual must be the same (NaN or infinity of the same sign).
  
  参数:
  
  expected - 期望值
  
  actual - 观察值
  
  relativeError - 最大允许的相对误差
- assertRelativelyEquals
  
  public static void assertRelativelyEquals(String msg, double expected, double actual, double relativeError)
  
  Verifies that the relative error in actual vs. expected is less than or equal to relativeError. If expected is infinite or NaN, actual must be the same (NaN or infinity of the same sign).
  
  参数:
  
  msg - 失败时返回的消息
  
  expected - 期望值
  
  actual - 观察值
  
  relativeError - 最大允许的相对误差
- assertContains
  
  public static void assertContains(String msg, Complex[] values, Complex z, double epsilon)
  
  Fails iff values does not contain a number within epsilon of z.
  
  参数:
  
  msg - 失败时返回的消息
  
  values - 要搜索的复数数组
  
  z - 要查找的值
  
  epsilon - 容差
- assertContains
  
  public static void assertContains(Complex[] values, Complex z, double epsilon)
  
  Fails iff values does not contain a number within epsilon of z.
  
  参数:
  
  values - 要搜索的复数数组
  
  z - 要查找的值
  
  epsilon - 容差
- assertContains
  
  public static void assertContains(String msg, double[] values, double x, double epsilon)
  
  Fails iff values does not contain a number within epsilon of x.
  
  参数:
  
  msg - 失败时返回的消息
  
  values - 要搜索的双精度数组
  
  x - 要查找的值
  
  epsilon - 容差
- assertContains
  
  public static void assertContains(double[] values, double x, double epsilon)
  
  Fails iff values does not contain a number within epsilon of x.
  
  参数:
  
  values - 要搜索的双精度数组
  
  x - 要查找的值
  
  epsilon - 容差
- assertEquals
  
  public static void assertEquals(String message, double[] expected, RealVector actual, double delta)
  
  Asserts that all entries of the specified vectors are equal to within a positive delta.
  
  参数:
  
  message - 断言错误的标识消息（可以为null）
  
  expected - 期望值
  
  actual - 实际值
  
  delta - 期望值和实际值之间的最大差异，仍然被认为相等
- assertEquals
  
  public static void assertEquals(String message, RealVector expected, RealVector actual, double delta)
  
  断言指定向量的所有条目在正delta内相等。
  
  参数:
  
  message - 断言错误的标识消息（可以为null）
  
  expected - 期望值
  
  actual - 实际值
  
  delta - 期望向量和实际向量之间的最大差异，在这个差异范围内两个条目仍被视为相等
- assertEquals
  
  public static void assertEquals(String msg, RealMatrix expected, RealMatrix observed, double tolerance)
  
  验证两个矩阵是否接近（1-范数）
- assertEquals
  
  public static void assertEquals(FieldMatrix<? extends FieldElement<?>> expected, FieldMatrix<? extends FieldElement<?>> observed)
  
  验证两个矩阵是否相等
- assertEquals
  
  public static void assertEquals(String msg, double[] expected, double[] observed, double tolerance)
  
  验证两个数组是否接近（sup范数）
- assertEquals
  
  public static void assertEquals(int[] expected, int[] observed)
  
  验证两个int数组是否相等
- assertContains
  
  public static void assertContains(double[][] expected, double[] observed, double epsilon)
  
  验证对于i = 0,..., observed.length，observed[i]是否在expected[i]中的值范围内epsilon，或者observed[i]为NaN且expected[i]包含NaN。
- assertEquals
  
  public static void assertEquals(long[] expected, long[] observed)
  
  验证两个int数组是否相等
- assertEquals
  
  public static <T extends FieldElement<T>> void assertEquals(T[] m, T[] n)
  
  验证两个数组是否相等
- sumSquareDev
  
  public static double sumSquareDev(double[] values, double target)
  
  计算与之间的平方偏差之和
  
  参数:
  
  values - 偏差数组
  
  target - 计算偏差的目标值
  
  返回:
  
  平方偏差之和
- assertChiSquareAccept
  
  public static void assertChiSquareAccept(String[] valueLabels, double[] expected, long[] observed, double alpha)
  
  对ChiSquare测试的零假设进行断言。如果零假设可以以100 * (1 - alpha)%的置信度拒绝，则失败并显示参数和测试统计数据。
  
  参数:
  
  valueLabels - 待测试的离散分布值的标签
  
  expected - 期望计数
  
  observed - 观察计数
  
  alpha - 测试的显著性水平
- assertChiSquareAccept
  
  public static void assertChiSquareAccept(int[] values, double[] expected, long[] observed, double alpha)
  
  对ChiSquare测试的零假设进行断言。如果零假设可以以100 * (1 - alpha)%的置信度拒绝，则失败并显示参数和测试统计数据。
  
  参数:
  
  values - 被比较的观察和期望计数的整数值
  
  expected - 期望计数
  
  observed - 观察计数
  
  alpha - 测试的显著性水平
- assertChiSquareAccept
  
  public static void assertChiSquareAccept(double[] expected, long[] observed, double alpha)
  
  对ChiSquare测试的零假设进行断言。如果零假设可以以100 * (1 - alpha)%的置信度拒绝，则失败并显示参数和测试统计数据。
  
  参数:
  
  expected - 期望计数
  
  observed - 观察计数
  
  alpha - 测试的显著性水平
- assertGTest
  
  public static void assertGTest(RealDistribution expectedDistribution, double[] values, double alpha)
  
  断言样本遵循给定分布的零假设，使用G-测试
  
  参数:
  
  expectedDistribution - 值应该遵循的分布
  
  values - 样本数据
  
  alpha - 测试的显著性水平
- assertGTest
  
  public static void assertGTest(double[] expected, long[] observed, double alpha)
  
  断言观察计数遵循由期望值暗示的给定分布的零假设，使用G-测试
  
  参数:
  
  expected - 期望计数
  
  observed - 观察计数
  
  alpha - 测试的显著性水平
- getDistributionQuartiles
  
  public static double[] getDistributionQuartiles(RealDistribution distribution)
  
  计算给定分布的25th、50th和75th百分位数，并将这些值以数组形式返回。
- updateCounts
  
  public static void updateCounts(double value, long[] counts, double[] quartiles)
  
  更新四分位数中值的观察计数。counts[0] ↔ 第一四分位数 ... counts[3] ↔ 最高四分位数
- eliminateZeroMassPoints
  
  public static int eliminateZeroMassPoints(int[] densityPoints, double[] densityValues)
  
  从densityPoints和densityValues并行数组中消除零质量点。返回正质量点的数量，并折叠数组，使得输入数组的前个元素表示正质量点。
- chiSquareTest
  
  public static double chiSquareTest(double[] expected, long[] observed)
  
  返回与观察计数遵循期望分布的零假设相关的p值。如有必要，将对输入进行归一化。
  
  参数:
  
  expected - 期望计数
  
  observed - 观察计数
  
  返回:
  
  Chi-square测试的p值
- chiSquare
  
  public static double chiSquare(double[] expected, long[] observed)
  
  返回期望和观察数组的卡方检验统计量。如有必要，将重新调整数组。
  
  参数:
  
  expected - 期望计数
  
  observed - 观察计数
  
  返回:
  
  卡方统计量
- mean
  
  public static double mean(double[] values)
  
  计算数组中值的平均值。
  
  参数:
  
  values - 输入值
  
  返回:
  
  算术平均值
- variance
  
  public static double variance(double[] values)
  
  计算输入数组中值的（偏差调整后）方差。
  
  参数:
  
  values - 输入值
  
  返回:
  
  偏差调整后的方差
- standardDeviation
  
  public static double standardDeviation(double[] values)
  
  计算输入数组中值的标准差。
  
  参数:
  
  values - 输入值
  
  返回:
  
  标准差
- median
  
  public static double median(double[] values)
  
  计算输入数组中值的中位数。
  
  参数:
  
  values - 输入值
  
  返回:
  
  估计中位数
- covariance
  
  public static double covariance(double[] xArray, double[] yArray)
  
  计算两个输入数组的协方差。
  
  参数:
  
  xArray - 第一个协变量
  
  yArray - 第二个协变量
  
  返回:
  
  协方差
- covarianceMatrix
  
  public static RealMatrix covarianceMatrix(RealMatrix matrix)
  
  从列代表协变量的矩阵计算协方差矩阵。
  
  参数:
  
  matrix - 输入矩阵
  
  返回:
  
  协方差矩阵
- min
  
  public static double min(double[] values)
- max
  
  public static double max(double[] values)
  
  计算输入数组中值的最大值。
  
  参数:
  
  values - 输入数组
  
  返回:
  
  最大值

类 UnitTestUtils

嵌套类概要

方法概要

从类继承的方法 java.lang.Object

方法详细资料

assertEquals

assertEquals

assertSame

assertSame

assertEquals

assertEquals

assertSame

assertEquals

serializeAndRecover

checkSerializedEquality

assertRelativelyEquals

assertRelativelyEquals

assertContains

assertContains

assertContains

assertContains

assertEquals

assertEquals

assertEquals

assertEquals

assertEquals

assertEquals

assertContains

assertEquals

assertEquals

sumSquareDev

assertChiSquareAccept

assertChiSquareAccept

assertChiSquareAccept

assertGTest

assertGTest

getDistributionQuartiles

updateCounts

eliminateZeroMassPoints

chiSquareTest

chiSquare

mean

variance

standardDeviation

median

covariance

covarianceMatrix

min

max