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A comprehensive PHP package for statistical analysis of numeric data. It provides descriptive statistics (mean, median, mode, variance, standard deviation), robust measures (trimmed mean, weighted median, MAD), distribution modeling via NormalDist and StudentT classes (PDF, CDF, inverse CDF), outlier detection (z-score and IQR-based), correlation, linear regression, kernel density estimation, frequency tables, hypothesis testing (z-test, t-test), and O(1) memory streaming statistics via StreamingStat. Inspired by Python's statistics module and installable via Composer.

Hi-Folks/statistics: PHP package that provides functions for calculating mathematical statistics of numeric data.

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