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DataFrame.ix[tup, list] throws exception #1013

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changhiskhan opened this issue Apr 8, 2012 · 0 comments
Closed

DataFrame.ix[tup, list] throws exception #1013

changhiskhan opened this issue Apr 8, 2012 · 0 comments
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@changhiskhan
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Bug Indexing Related to indexing on series/frames, not to indexes themselves
Milestone
0.7.3

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@changhiskhan
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per pydata email:

I created a dataframe with multi index like this:
a b c
y m d
2000 1 1 1 2 3
2 7 8 9
3 4 5 6

...

it doesn't work to do this: df.ix[(2000,1,1), ['a','b']]

it gives KeyError = 1

in _NDFrameIndexer._getitem_tuple, the return value of the first ix._getitem_axis(key, axis=i) call returns a Series so the second call with axis=1 fails with KeyError=1
@ghost ghost assigned changhiskhan Apr 8, 2012
@wesm wesm closed this as completed in 5901364 Apr 10, 2012
yarikoptic added a commit to neurodebian/pandas that referenced this issue Apr 12, 2012
@yarikoptic
Merge commit 'v0.7.2-111-gf7b9139' into debian
22183fa 
* commit 'v0.7.2-111-gf7b9139': (178 commits)
  DOC: refer to pydata@googlegroups.com instead of pystatsmodels@googlegroups.com
  DOC: fix url to vbench moved over to pydata
  DOC: some docs re: Panel.from_dict with orient='minor', close pandas-dev#1009
  ENH: use filtered exog index for the y_predict result, per pandas-dev#1027 close pandas-dev#1008
  ENH: make method signature more consistent with new statsmodels behavior. Uses dot product directly so pandas users aren't affected by statsmodels API change
  ENH: added OLS.predict method; pass through call to statsmodels ols predict method
  DOC: encoding affects python 2 and 3
  DOC: read_fwf doc tweaks for 0.7.3
  Sphinx documentation for read_fwf
  DOC: add what's new for 0.7.3, some scatter_matrix improvements
  TST: python 3 fixes
  BUG: return ax.get_figure() in scatter_plot if ax argument is not None
  add ax kwd to several functions and push ax into subplots so new subplot axes is generated on the ax's figure
  ENH: label sizes and rotations for histogram TST: test cases for both Series and DataFrame histogram
  DOC: all 0.7.3 issues should now be in either new features or bug fixes
  ENH: partial multiple setting on first level via .ix on DataFrame, close pandas-dev#409
  RLS: python 2.5 compatibility stuff with boolean arrays
  BUG: treat None as NA in DataFrame arithmetic operations, pandas-dev#992
  BUG: fix indexing error when selecting section of a hierarchically-indexed DataFrame row, close pandas-dev#1013
  ENH: attach name to Series on axis=1 in DataFrame.apply, pandas-dev#983
  ...
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@changhiskhan changhiskhan

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Bug Indexing Related to indexing on series/frames, not to indexes themselves
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0.7.3
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@wesm @changhiskhan