stats-percentile

Deterministic statistical analysis (describe, percentiles, correlation, outliers, time-series) over caller-supplied data

Predictive probability and regression engine: least-squares linear regression with standard errors, confidence and predi

Descriptive statistics for a list of numbers: count, mean, median, sample stdev/variance, min, max.

Ordinary least squares simple linear regression (y = slope*x + intercept) with R-squared.

Pearson correlation coefficient between two equal-length numeric series.