Simple Statistics

• PDA_NSCOR
  Calculates the approximate expected values of normal order statistics.
• PDA_V11
  Calculates an approximation to the variance of the largest normal order statistic.
• PDA_COVMAT
  Approximates the covariance matrix of normal order statistics.
• PDA_DCOV
  Calculates the covariance matrix for a nonlinear data fitting problem