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Repr-ing SparseDataFrame after setting a value #15488

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kernc opened this issue Feb 23, 2017 · 1 comment
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Repr-ing SparseDataFrame after setting a value #15488

kernc opened this issue Feb 23, 2017 · 1 comment
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Bug Indexing Related to indexing on series/frames, not to indexes themselves Sparse Sparse Data Type
Milestone
0.20.0

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@kernc
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kernc commented Feb 23, 2017

Code Sample, a copy-pastable example if possible

>>> sdf = pd.SparseDataFrame(index=[0, 1], columns=[0, 1])
>>> sdf[0][0] = 1  # This warns; ignore
>>> sdf
AttributeError: 'NoneType' object has no attribute 'type'

Problem description

After some value is set on a copy of a SparseSeries, the enclosing SparseDataFrame can no longer be printed (raises AttributeError).

Expected Output

>>> sdf
    0   1
0 NaN NaN
1 NaN NaN

Output of pd.show_versions()

0.19.0+479.git
@kernc kernc mentioned this issue Feb 23, 2017
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@jreback
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jreback commented Feb 23, 2017

These are not implemented, so not sure that

In [3]: sdf.loc[0,0] = 1
---------------------------------------------------------------------------
NotImplementedError                       Traceback (most recent call last)

this should even work

@jreback jreback added Indexing Related to indexing on series/frames, not to indexes themselves Sparse Sparse Data Type labels Feb 23, 2017
@jreback jreback added this to the 0.20.0 milestone Feb 24, 2017
@jreback jreback added the Bug label Feb 24, 2017
@jreback jreback closed this as completed in 38a34be Mar 7, 2017
AnkurDedania pushed a commit to AnkurDedania/pandas that referenced this issue Mar 21, 2017
@kernc @AnkurDedania
BUG: repr SparseDataFrame after setting a value
ea5d7ad 
closes pandas-dev#15488

Author: Kernc <kerncece@gmail.com>

Closes pandas-dev#15489 from kernc/sdf-repr and squashes the following commits:

2dc145c [Kernc] BUG: repr SparseDataFrame after setting a value
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Bug Indexing Related to indexing on series/frames, not to indexes themselves Sparse Sparse Data Type
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0.20.0
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BUG: repr SparseDataFrame after setting a value kernc/pandas
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@kernc @jreback