Examples of org.apache.commons.math.distribution.TDistributionImpl.inverseCumulativeProbability()

Package org.apache.commons.math.distribution

Class org.apache.commons.math.distribution.TDistributionImpl

Examples of org.apache.commons.math.distribution.TDistributionImpl.inverseCumulativeProbability()

org.apache.commons.math.distribution.TDistributionImpl.inverseCumulativeProbability()
For this distribution, X, this method returns the critical point x, such that P(X < x) = p.
Returns Double.NEGATIVE_INFINITY for p=0 and Double.POSITIVE_INFINITY for p=1.
@param p the desired probability @return x, such that P(X < x) = p @throws MathException if the inverse cumulative probability can not becomputed due to convergence or other numerical errors. @throws IllegalArgumentException if p is not a validprobability.

  public static Double tDistInverseCDF(double p_value, int dof)
  {
    TDistributionImpl tdist = new TDistributionImpl(dof);
    try
    {
      return tdist.inverseCumulativeProbability(p_value);
    }
    catch (MathException e)
    {
      e.printStackTrace();
    }

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