stats-correlation

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.

Nth percentile of a list of numbers (linear interpolation between closest ranks).