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 (seetest.js
for more details)
npm i outlier2
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);
})