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v0.22.0 Final
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@TomAugspurger TomAugspurger released this 30 Dec 20:06
v0.22.0
a00154d

This is a major release from 0.21.1 and includes a single, API-breaking change.
We recommend that all users upgrade to this version after carefully reading the
release note.

The only changes are:

  • The sum of an empty or all-NA Series is now 0
  • The product of an empty or all-NA Series is now 1
  • We've added a min_count parameter to .sum() and .prod() controlling
    the minimum number of valid values for the result to be valid. If fewer than
    min_count non-NA values are present, the result is NA. The default is
    0. To return NaN, the 0.21 behavior, use min_count=1.

See the whatsnew for further explanation of all the places in the library this affects.

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