diff --git a/pandas/tools/merge.py b/pandas/tools/merge.py index 261884bba54bd..60d523a8ea539 100644 --- a/pandas/tools/merge.py +++ b/pandas/tools/merge.py @@ -295,7 +295,7 @@ def merge_asof(left, right, on=None, - A "nearest" search selects the row in the right DataFrame whose 'on' key is closest in absolute distance to the left's key. - The default is "backward" and is the compatible in versions below 0.20.0. + The default is "backward" and is compatible in versions below 0.20.0. The direction parameter was added in version 0.20.0 and introduces "forward" and "nearest". @@ -340,13 +340,13 @@ def merge_asof(left, right, on=None, suffixes : 2-length sequence (tuple, list, ...) Suffix to apply to overlapping column names in the left and right - side, respectively + side, respectively. tolerance : integer or Timedelta, optional, default None - select asof tolerance within this range; must be compatible - to the merge index. + Select asof tolerance within this range; must be compatible + with the merge index. allow_exact_matches : boolean, default True - - If True, allow matching the same 'on' value + - If True, allow matching with the same 'on' value (i.e. less-than-or-equal-to / greater-than-or-equal-to) - If False, don't match the same 'on' value (i.e., stricly less-than / strictly greater-than)