Unlearning descriptive statistics
&gt; <i>But why do you want a number at all?</i><p>Because lots of data analysis questions hinge upon the association between two data sets, and it&#x27;s nice (crucial) to be able to quantify this value. Especially because<p>&gt; <i>While statisticians are generally quite good at estimating a correlation from a picture and vice versa, most people are not.</i><p>The author says<p>&gt; <i>Still not happy and absolutely want a number? You would do well to shun correlations even so.</i><p>OK, so what else do you suggest?