Same two Series, but treat a missing label as 0 so nothing comes back NaN
pandas · from The index, and alignment
df.indexalignmentreindexset_indexreset_indexfill_valuePutting the kettle on…
Starting up…
Exercise 2
Same two Series, but treat a missing label as 0 so nothing comes back NaN.
your answer
stuck? the lesson behind it
The index, and alignment
Labels take part in the arithmetic — the one idea NumPy doesn’t have.