Gist from mistakes.io

index.js

void require('http://www.macwright.org/simple-statistics/simple_statistics.js');

// numbers from 1 to 100
var myData = [];
for (var i = 0; i < 99; i++) {
  myData[i] = i + 1;
}

ss.mean(myData);
ss.min(myData);
ss.quantile(myData , 0.2);

// points from 1,1 to 100,50
var myPoints = [];
for (var i = 0; i < 99; i++) {
  myPoints[i] = [i + 1, (i + 1)/2];
}

ss.linear_regression()
  .data(myPoints)
  .line()(50);