本文整理了Java中org.apache.commons.math3.distribution.ZipfDistribution.calculateNumericalVariance()方法的一些代码示例，展示了ZipfDistribution.calculateNumericalVariance()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZipfDistribution.calculateNumericalVariance()方法的具体详情如下：
包路径：org.apache.commons.math3.distribution.ZipfDistribution
类名称：ZipfDistribution
方法名：calculateNumericalVariance

ZipfDistribution.calculateNumericalVariance介绍

[英]Used by #getNumericalVariance().
[中]由#getNumericalVariance（）使用。

代码示例

代码示例来源：origin: org.apache.commons/commons-math3

/**
 * {@inheritDoc}
 *
 * For number of elements {@code N} and exponent {@code s}, the mean is
 * {@code (Hs2 / Hs) - (Hs1^2 / Hs^2)}, where
 * <ul>
 *  <li>{@code Hs2 = generalizedHarmonic(N, s - 2)},</li>
 *  <li>{@code Hs1 = generalizedHarmonic(N, s - 1)},</li>
 *  <li>{@code Hs = generalizedHarmonic(N, s)}.</li>
 * </ul>
 */
public double getNumericalVariance() {
  if (!numericalVarianceIsCalculated) {
    numericalVariance = calculateNumericalVariance();
    numericalVarianceIsCalculated = true;
  }
  return numericalVariance;
}

代码示例来源：origin: io.virtdata/virtdata-lib-realer

/**
 * {@inheritDoc}
 *
 * For number of elements {@code N} and exponent {@code s}, the mean is
 * {@code (Hs2 / Hs) - (Hs1^2 / Hs^2)}, where
 * <ul>
 *  <li>{@code Hs2 = generalizedHarmonic(N, s - 2)},</li>
 *  <li>{@code Hs1 = generalizedHarmonic(N, s - 1)},</li>
 *  <li>{@code Hs = generalizedHarmonic(N, s)}.</li>
 * </ul>
 */
public double getNumericalVariance() {
  if (!numericalVarianceIsCalculated) {
    numericalVariance = calculateNumericalVariance();
    numericalVarianceIsCalculated = true;
  }
  return numericalVariance;
}

代码示例来源：origin: geogebra/geogebra

/**
 * {@inheritDoc}
 *
 * For number of elements {@code N} and exponent {@code s}, the mean is
 * {@code (Hs2 / Hs) - (Hs1^2 / Hs^2)}, where
 * <ul>
 *  <li>{@code Hs2 = generalizedHarmonic(N, s - 2)},</li>
 *  <li>{@code Hs1 = generalizedHarmonic(N, s - 1)},</li>
 *  <li>{@code Hs = generalizedHarmonic(N, s)}.</li>
 * </ul>
 */
public double getNumericalVariance() {
  if (!numericalVarianceIsCalculated) {
    numericalVariance = calculateNumericalVariance();
    numericalVarianceIsCalculated = true;
  }
  return numericalVariance;
}