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Grubbs' test for outliers

Online Grubbs' test for outliers: http://xcatliu.github.io/grubbs/

What is Grubbs' test

Grubbs' test (named after Frank E. Grubbs, who published the test in 1950), also known as the maximum normed residual test or extreme studentized deviate test, is a statistical test used to detect outliers in a univariate data set assumed to come from a normally distributed population.

For more information, please visit Grubbs' test for outliers.

Usage

Use online calculator

Open online Grubbs' test for outliers: http://xcatliu.github.io/grubbs/
Choose significance level
Enter or paste your data, one value per row, up to 100 rows
Click Go button to see the result

Use as node modules

First install `grubbs` via npm

npm install grubbs --save

Then use `grubbs.test` function

var grubbs = require('grubbs');
var dataSet = [
  10.45, 10.26, 10.49, 10.36, 10.53, 10.77, 10.40, 10.40, 10.56, 10.88, 10.47,
  10.49, 10.46, 10.38, 10.47, 10.39, 10.51, 10.49, 10.54, 10.46, 10.45, 10.49,
  10.46, 10.46, 10.51, 10.47, 10.54, 10.52, 10.47, 10.44, 11.62, 11.60, 10.42,
  10.42, 10.39, 10.22, 10.47, 10.42, 10.52, 10.57, 10.49, 10.49, 10.51, 10.47,
  10.51, 10.48, 10.4, 10.3, 10.47, 10.45
];
var result = grubbs.test(dataSet);
console.log(result);