https://abaj.ai/tags/dataframe/Recent content in Dataframe on Aayush Bajaj's Augmenting InfrastructureHugoen© 2026 Aayush BajajFri, 10 Jul 2026 08:20:25 +1000https://abaj.ai/wiki/ccs/programming/libraries/pandas/Fri, 10 Jul 2026 01:43:39 +1000https://abaj.ai/wiki/ccs/programming/libraries/pandas/<p>pandas is <a href="https://abaj.ai/wiki/ccs/programming/libraries/numpy/" >numpy</a> with <em>labels</em>. a <code>Series</code> is a 1-d array married to an <strong>index</strong>; a <code>DataFrame</code> is a dict of such columns sharing one row index. the single organising idea — the one that explains both the magic and the bugs — is that <strong>every operation aligns on labels first</strong> and computes second. everything on this page runs against pandas 3.0 (outputs are real).<span class="margin-note" data-note="official docs: https://pandas.pydata.org/docs/ — the user guide&#39;s &#39;10 minutes to pandas&#39; undersells itself by about three hours"> <span class="margin-note-indicator">𐃏</span> </span> </p>