velopercloud/doc/tradeoff-analytics/">Tradeoff Analytics</a> service to find the best
phone that minimizes price and weight and maximizes screen size.</p>
<pre class="prettyprint source lang-javascript"><code>var watson = require('watson-developer-cloud');

var tradeoff_analytics = watson.tradeoff_analytics({
  username: '&lt;username>',
  password: '&lt;password>',
  version: 'v1'
});

// From file
var params = require('./resources/problem.json');

tradeoff_analytics.dilemmas(params, function(err, res) {
 