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DOC: update the pandas.DataFrame.clip_lower docstring #20289

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Jul 8, 2018
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DOC: update the pandas.DataFrame.clip_lower docstring #20289

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DOC: update the pandas.DataFrame.clip_lower docstring
adatasetaday Mar 11, 2018
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DOC: update the pandas.DataFrame.clip_lower docstring
adatasetaday Mar 12, 2018
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DOC: update the pandas.DataFrame.clip_lower docstring
adatasetaday Mar 12, 2018
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DOC: update the pandas.DataFrame.clip_lower docstring
adatasetaday Mar 13, 2018
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DOC: update the pandas.DataFrame.clip_lower docstring
adatasetaday Mar 13, 2018
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Merge remote-tracking branch 'upstream/master' into adatasetaday-docs…
jorisvandenbossche Jul 8, 2018
e48d49b
fixup
jorisvandenbossche Jul 8, 2018
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25 changes: 17 additions & 8 deletions pandas/core/generic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6572,7 +6572,10 @@ def clip_upper(self, threshold, axis=None, inplace=False):

def clip_lower(self, threshold, axis=None, inplace=False):
"""
Return copy of the input with values below a threshold truncated.
Trim values below a given threshold.

Elements below the `threshold` will be changed to match the
`threshold` value(s).

Parameters
----------
Expand All @@ -6597,17 +6600,22 @@ def clip_lower(self, threshold, axis=None, inplace=False):

See Also
--------
Series.clip : Return copy of input with values below and above
thresholds truncated.
Series.clip_upper : Return copy of input with values above
threshold truncated.
DataFrame.clip : General purpose method to trim `DataFrame` values to
given threshold(s)
DataFrame.clip_upper : Trim `DataFrame` values above given
threshold(s)
Series.clip : General purpose method to trim `Series` values to given
threshold(s)
Series.clip_upper : Trim `Series` values above given threshold(s)
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Ideally, for DataFrame.clip_lower we would like to have in See Also:

  • Series.clip_lower
  • DataFrame.clip
  • DataFrame.clip_upper

So, the same in Series and nothing else from Series. And the similar from the same class (DataFrame). As this is being reused by both Series and DataFrame, I'd probably list all clip, clip_lower and clip_upper, but I'm not sure. @jreback ?

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Only caveat here is that the user is working on a doc that is shared by Series and DataFrame. Mentioned earlier that without further updates (i.e. implementing substitution) that the clip_lower reference would be self-referential half of the time.

I advised just removing it to not get hung up on it for now, the other option would be to explicitly list both DataFrame.clip_lower and Series.clip_lower and live with the fact that one will be self referencing. No strong preference on my end.

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Sorry, I was waiting for a little clarification, since I'm not sure how to proceed. I can go either way, but I haven't seen a conclusive definition. Was a decision made on how to proceed with these?

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If I'm not wrong, in another ticket the final implementation just listed everything. As @WillAyd says in some cases the same method being documented will be self-referenced, but it's not a big issue.


Returns
-------
clipped : same type as input
clipped
Original data with values trimmed.

Examples
--------

Series single threshold clipping:

>>> s = pd.Series([5, 6, 7, 8, 9])
Expand Down Expand Up @@ -6659,17 +6667,18 @@ def clip_lower(self, threshold, axis=None, inplace=False):
`threshold` should be the same length as the axis specified by
`axis`.

>>> df.clip_lower(np.array([3, 3, 5]), axis='index')
>>> df.clip_lower([3, 3, 5], axis='index')
A B
0 3 3
1 3 4
2 5 6

>>> df.clip_lower(np.array([4, 5]), axis='columns')
>>> df.clip_lower([4, 5], axis='columns')
A B
0 4 5
1 4 5
2 5 6

"""
return self._clip_with_one_bound(threshold, method=self.ge,
axis=axis, inplace=inplace)
Expand Down