jalsoft/zstats

A PHP library for statistical calculations including normal, t, and chi-square distributions.

dev-main 2025-07-11 12:49 UTC

Requires

• php: ^8.0
• monolog/monolog: ^3.0

Requires (Dev)

• phpunit/phpunit: ^9.6

MIT

• Calvince Owino

README

Features

• Z-score calculator
• Confidence interval builder
• T-distribution & Chi-square approximations
• HTML/CSV/JSON exports
• Unit tested

Install via Composer

composer require jalsoft/zstats

Usage

use ZStats\ZStats;

$ci = ZStats::confidenceInterval(3.3, 0.2, 64, 0.98);
print_r($ci);