<p><span class="h-card" translate="no"><a href="https://mastodon.social/@dabeaz" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>dabeaz</span></a></span> hahahah, crazier still!</p><p>I was naively converting a series from a dataframe into a set to see if I could grasp what were the "unique entries" and stumbled on this NaN thing (because there were lots of NaN values there)</p>