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correlation-rank

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Readme

Pearson correlation rank

In statistics, the Pearson correlation coefficient (PCC, pronounced /ˈpɪərsən/), also referred to as the Pearson's r, Pearson product-moment correlation coefficient (PPMCC) or bivariate correlation, is a measure of the linear correlation between two variables X and Y. It has a value between +1 and −1, where 1 is total positive linear correlation, 0 is no linear correlation, and −1 is total negative linear correlation. It is widely used in the sciences. It was developed by Karl Pearson from a related idea introduced by Francis Galton in the 1880s.

$Pic1$

Description

This is my implementation of the package to calculate the Pearson correlation coefficient.

Requirements

npm
ecmascript 5, ecmascript 2016, ecmascript 2017

Install

npm i correlation-rank

git clone https://github.com/robotomize/correlation-rank-js.git

Use

import Correlation from 'correlation-rank'
const correlation = require('./correlation-rank');

correlation.rank([], []);
correlation.determination([], []);

For a sample

The first value is the correlation coefficient and the second coefficient of determination.

Sample using correlation-rank

import Correlation from 'correlation-rank'
const correlation = require('./correlation-rank');

correlation.rank([1,2,3,4,5], [-5,25,10,20,100]);
correlation.determination([1,2,3,4,5], [-5,25,10,20,100]);

node example
0.7949559026877182
0.6319548872180449