From f6bd15350c92525e4a0861a892b87053cc5c069d Mon Sep 17 00:00:00 2001 From: Daniel Saxton Date: Fri, 4 Jan 2019 21:22:20 -0600 Subject: [PATCH] DOC: Improve DataFrame.align docstring --- pandas/core/generic.py | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/pandas/core/generic.py b/pandas/core/generic.py index d0555bd2e44b1..a8b90e413ebad 100644 --- a/pandas/core/generic.py +++ b/pandas/core/generic.py @@ -8345,8 +8345,17 @@ def ranker(data): fill_value : scalar, default np.NaN Value to use for missing values. Defaults to NaN, but can be any "compatible" value - method : str, default None + method : {'backfill', 'bfill', 'pad', 'ffill', None}, default None + Method to use for filling holes in reindexed Series + pad / ffill: propagate last valid observation forward to next valid + backfill / bfill: use NEXT valid observation to fill gap limit : int, default None + If method is specified, this is the maximum number of consecutive + NaN values to forward/backward fill. In other words, if there is + a gap with more than this number of consecutive NaNs, it will only + be partially filled. If method is not specified, this is the + maximum number of entries along the entire axis where NaNs will be + filled. Must be greater than 0 if not None. fill_axis : %(axes_single_arg)s, default 0 Filling axis, method and limit broadcast_axis : %(axes_single_arg)s, default None