Outlier2

Compilation of other packages to find outliers in dataset.

Supported criteria/test
* 3 sigma
* Grubbs
* Interquartile range
* Iglewicz and Hoaglin method (MAD)
* Median Differencing
* Any external e.g. R-script (see test.js for more details)

Install

``
npm i outlier2
`

Usage

`
var outlier = require('outlier2');

var arr = [-2, 1, 2, 2, 3, 4, 15];
// Sync
outlier.mad(arr) // Return outlier values [15]
outlier.mad(arr, {indexes: true}) // Return outlier indexes [6]

// Async
outlier.mad(arr, {indexes: true}, function (err, outliers) {
console.log((err) ? err : outliers);
})
``