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DOC: correct default merge suffixes: _x,_y #2688

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DOC: correct default merge suffixes: _x,_y #2688

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4 changes: 2 additions & 2 deletions doc/source/merging.rst
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Expand Up @@ -311,7 +311,7 @@ standard database join operations between DataFrame objects:

merge(left, right, how='left', on=None, left_on=None, right_on=None,
left_index=False, right_index=False, sort=True,
suffixes=('.x', '.y'), copy=True)
suffixes=('_x', '_y'), copy=True)

Here's a description of what each argument is for:

Expand All @@ -336,7 +336,7 @@ Here's a description of what each argument is for:
order. Defaults to ``True``, setting to ``False`` will improve performance
substantially in many cases
- ``suffixes``: A tuple of string suffixes to apply to overlapping
columns. Defaults to ``('.x', '.y')``.
columns. Defaults to ``('_x', '_y')``.
- ``copy``: Always copy data (default ``True``) from the passed DataFrame
objects, even when reindexing is not necessary. Cannot be avoided in many
cases but may improve performance / memory usage. The cases where copying
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