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Clarify documentation for asfreq #59589

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Aug 23, 2024
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Clarify documentation for asfreq #59589

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6 changes: 3 additions & 3 deletions pandas/core/generic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8452,8 +8452,8 @@ def asfreq(
will map one-to-one to the new index).

Otherwise, the new index will be equivalent to ``pd.date_range(start, end,
freq=freq)`` where ``start`` and ``end`` are, respectively, the first and
last entries in the original index (see :func:`pandas.date_range`). The
freq=freq)`` where ``start`` and ``end`` are, respectively, the min and
max entries in the original index (see :func:`pandas.date_range`). The
values corresponding to any timesteps in the new index which were not present
in the original index will be null (``NaN``), unless a method for filling
such unknowns is provided (see the ``method`` parameter below).
Expand All @@ -8471,7 +8471,7 @@ def asfreq(
does not fill NaNs that already were present):

* 'pad' / 'ffill': propagate last valid observation forward to next
valid
valid based on the order of the index
* 'backfill' / 'bfill': use NEXT valid observation to fill.
how : {{'start', 'end'}}, default end
For PeriodIndex only (see PeriodIndex.asfreq).
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