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Modules

PDL interface to GSL Cumulative Distribution Functions
basic statistics and related utilities such as standard deviation, Pearson correlation, and t-tests.
parameter estimations and probability density functions for distributions.
general and generalized linear modeling methods such as ANOVA, linear regression, PCA, and logistic regression.
classic k-means cluster analysis
basic time series functions
a collection of statistics modules in Perl Data Language, with a quick-start guide for non-PDL people.