michaeltintiuc/percentilerank-example

Percentile Rank Calculator Example.

Percentile Rank

An example application for calculating percentile ranks, _(*1)

Installation

Create a folder for your project and enter it, _(*2)

mkdir percentilerank-example && cd "$_"

Pull the project files, _(*3)

composer create-project michaeltintiuc/percentilerank-example .

Usage

When running application via Web Server set the Document Root to public/, _(*4)

Run application via CLI, _(*5)

php public/index.php

Create the application with a parser (csv or json), _(*6)

/**
 * @param string type of parser
 */
$app = new MichaelT\App('csv');

Load file to be read by the parser, _(*7)

/**
 * @param string path to file
 */
$app->parser()->loadFile(__DIR__.'/../input.csv');

Calculate percentile rank from file data, _(*8)

/**
 * @param string|int index/key of score of interest
 * @param string|int index/key to hold percentile rank
 */
$data = $app->calculateRank(2, 'rank');

Save result to file via created parser, _(*9)

/**
 * @param string path to file
 * @param array data to save
 * @param string|int|array key/index of array to skip
 */
$app->parser()->exportFile(__DIR__.'/../output.csv', $data, 0);