v1.0.1

What's Changed

• welcome PHP 8.4 by @roberto-butti in #70
• Upgrading to Rector 1 by @roberto-butti in #71
• Bump dependabot/fetch-metadata from 1.6.0 to 2.1.0 by @dependabot in #68
• Bump dependabot/fetch-metadata from 2.1.0 to 2.2.0 by @dependabot in #69

Full Changelog: v1.0.0...v1.0.1

v1.0.0

What's Changed

• Fixed median() to handle unsorted data. Minor text changes for consistency by @keatis in #66
• Supporting PHP 8.2 and PHP 8.3 (updating also GitHub Actions workflows)
• Dropping the support for PHP 8.0
• Adding RectorPHP and updating to 0.18.5 by @sukuasoft in #38
• Update to PestPHP v2 by @AmooAti in #36
• Replacing php-cs-fixer with pint and running pint by @sukuasoft in #39
• including Pint in all-check script by @roberto-butti in #40
• uses: actions/checkout@v4 by @roberto-butti in #41
• Update phpstan.neon - level 8 by @roberto-butti in #56
• Update Rector configuration UP_TO_PHP_81 by @roberto-butti in #57
• refactoring with Rector by @roberto-butti in #58
• Update on README, Contribution guidelines, Code of Conduct, Security policies

New Contributors

• @AmooAti made their first contribution in #36
• @AbhineshJha made their first contribution in #37
• @sukuasoft made their first contribution in #38
• @Arcturus22 made their first contribution in #42
• @tvermaashutosh made their first contribution in #43
• @Abhishekgupta204 made their first contribution in #44
• @Aryan4884 made their first contribution in #50
• @HimanshuMahto made their first contribution in #64
• @shraddha761 made their first contribution in #63
• @keatis made their first contribution in #66

Full Changelog: v0.2.1...v1.0.0

Linear regression

• Linear regression

Raise Exception for wrong input

• Raise Exception instead of returning null if there is no valid input. By Artem Trokhymchuk @trokhymchuk thanks for the PR #15;
• PHPStan, level 9

Correlation

• Code refactoring by @trokhymchuk
• Clean phpdoc blocks by @trokhymchuk
• Stat::correlation()

Covariance

• New method for calculating covariance: Stat::covariance()

Frequency Table

• frequencyTable()
• frequencyTableBySize()
• code refactoring and documenting some functions by Artem Trokhymchuk @trokhymchuk thanks for the PR #2
• add tests for Math class

Quantiles

• quantiles()
• firstQuartile()
• thirdQuartile()

Geometric and Harmonic Mean

• geometricMean(): geometric mean
• harmonicMean(): harmonic mean and weighted harmonic mean

Standard Deviation and Variance

• pstdev(): Population standard deviation
• stdev(): Sample standard deviation
• pvariance(): variance for a population
• variance(): variance for a sample