Basic statistical tests and utility functions

Basic statistical tests and utility functions.

means - Arithmethic, geometric, and harmonic means.

parammle - Maximum likelihood parameter estimates for DF_Toolbox.

pctile1 - Percentile function (used by summary).

pctile2 - Alternative definition percentile function.

summary - Summary statistics for a data vector.

ttest1 - 1 sample t-test.

ttest2e - 2 sample t-test assuming equal variances.

ttest2u - 2 sample t-test assuming unequal variances.

ttest2p - 2 sample paired t-test.