pca.js

// You can reproduce this figure in node.js with the following code!

// Learn about API authentication here: https://plot.ly/nodejs/getting-started
// Find your api_key here: https://plot.ly/settings/api

var plotly = require('plotly')('username', 'api_key');
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data = [trace1, trace2];
layout = {
  scene: {
    xaxis: {title: 'PC1'}, 
    yaxis: {title: 'PC2'}, 
    zaxis: {title: 'PC3'}
  }, 
  xaxis: {domain: [0, 1]}, 
  yaxis: {domain: [0, 1]}, 
  margin: {
    b: 40, 
    l: 60, 
    r: 10, 
    t: 25
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  hovermode: 'closest', 
  showlegend: true
};
plotly.plot(data, {layout: layout}, function(err, msg) {
  console.log(msg);
});