https://github.com/oefenweb/php-statistics

Statistics library for PHP
https://github.com/oefenweb/php-statistics

php statistics

Last synced: about 1 month ago
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Statistics library for PHP

• Host: GitHub
• URL: https://github.com/oefenweb/php-statistics
• Owner: Oefenweb
• License: mit
• Created: 2015-05-31T18:06:12.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2022-03-23T10:43:40.000Z (almost 3 years ago)
• Last Synced: 2024-11-06T20:50:28.542Z (about 2 months ago)
• Topics: php, statistics
• Language: PHP
• Size: 44.9 KB
• Stars: 32
• Watchers: 4
• Forks: 10
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.txt

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README

        
# php-statistics

[![Build Status](https://travis-ci.org/Oefenweb/php-statistics.svg?branch=master)](https://travis-ci.org/Oefenweb/php-statistics)

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[![Packagist downloads](http://img.shields.io/packagist/dt/Oefenweb/statistics.svg)](https://packagist.org/packages/oefenweb/statistics)

[![Code Climate](https://codeclimate.com/github/Oefenweb/php-statistics/badges/gpa.svg)](https://codeclimate.com/github/Oefenweb/php-statistics)

[![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/Oefenweb/php-statistics/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/Oefenweb/php-statistics/?branch=master)

Statistics library for PHP.

## Requirements

* PHP 7.2.0 or greater.

## Usage

### Sum

```php

use Oefenweb\Statistics\Statistics;

Statistics::sum([1, 2, 3]); // 6

```

### Minimum

```php

use Oefenweb\Statistics\Statistics;

Statistics::min([1, 2, 3]); // 1

```

### Maximum

```php

use Oefenweb\Statistics\Statistics;

Statistics::max([1, 2, 3]); // 3

```

### Mean

```php

use Oefenweb\Statistics\Statistics;

Statistics::mean([1, 2, 3]); // 2

```

### Frequency

```php

use Oefenweb\Statistics\Statistics;

Statistics::frequency([1, 2, 3, 3, 3]); // [1 => 1, 2 => 1, 3 => 3]

```

### Mode

```php

use Oefenweb\Statistics\Statistics;

Statistics::mode([1, 2, 2, 3]); // 2

```

### Variance (sample and population)

```php

use Oefenweb\Statistics\Statistics;

Statistics::variance([1, 2, 3]); // 1

Statistics::variance([1, 2, 3], false); // 0.66666666666667

```

### Standard deviation (sample and population)

```php

use Oefenweb\Statistics\Statistics;

Statistics::standardDeviation([1, 2, 3]); // 1.0

Statistics::standardDeviation([1, 2, 3], false); // 0.81649658092773

```

### Range

```php

use Oefenweb\Statistics\Statistics;

Statistics::range([4, 6, 10, 15, 18]); // 14

```