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DOC: Extend docstring pandas core index to_frame method #20036

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merged 8 commits into from
Mar 10, 2018
Merged

DOC: Extend docstring pandas core index to_frame method #20036

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5387d95
Shift text to short summary
stijnvanhoey Mar 7, 2018
b99e4a2
Move default to parameter description
stijnvanhoey Mar 7, 2018
90eb4af
Split return info to separate line
stijnvanhoey Mar 7, 2018
2e26d8a
Provide example solutions
stijnvanhoey Mar 7, 2018
f3e1019
Remove trailing whitespace
stijnvanhoey Mar 7, 2018
535eba9
Move default to same line of type
stijnvanhoey Mar 7, 2018
e6cbbbe
update based on changes in guide
jorisvandenbossche Mar 7, 2018
b32b416
Provide name to index initiation
stijnvanhoey Mar 7, 2018
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20 changes: 19 additions & 1 deletion pandas/core/indexes/base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1122,7 +1122,25 @@ def to_frame(self, index=True):

Returns
-------
DataFrame : a DataFrame containing the original Index data.
DataFrame
DataFrame containing the original Index data.

Examples
--------
>>> idx = pd.Index(['Ant', 'Bear', 'Cow'])
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Minor thing, but it'd probably look a bit nicer if you create the index with name='animal'. :) For the rest looks great to me.

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Well, I do think it is interesting when creating a new index:

>>> idx.to_frame(index = False)
  animal
0    Ant
1   Bear
2    Cow

but when using the same as index and column, it does not get 'nicer':

>>> idx.to_frame(index = True)
       animal
animal       
Ant       Ant
Bear     Bear
Cow       Cow

>>> idx.to_frame()
0
Ant Ant
Bear Bear
Cow Cow

By default, the original Index is reused. To enforce a new Index:

>>> idx.to_frame(index=False)
0
0 Ant
1 Bear
2 Cow
"""

from pandas import DataFrame
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