aining set</h3>
<p>You always have to supply a training set for supervised learning. First of all,
you should normalize your data. That means you have to convert all your input and
output data to values within a range of <code>0</code> to <code>1</code>. If you are unsure how to do
this, visit the <a href="../normalization/">Normalization</a> tutorial. Each training sample
in your training set should be an object that looks as follows:</p>
<pre><code class="javascript">{ input: [], output: [] }
</code></pre