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jreback opened this issue May 27, 2015 · 6 comments
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REGR: indexing with dictionary elements #10219

jreback opened this issue May 27, 2015 · 6 comments
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Bug Indexing Related to indexing on series/frames, not to indexes themselves

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@jreback
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jreback commented May 27, 2015

xref #9877

regression from 0.16.0

df = pd.DataFrame(columns=['A','B'])
df.ix['test1', 'A'] = dict({'1':'test2'})
@jreback jreback added Indexing Related to indexing on series/frames, not to indexes themselves Regression Functionality that used to work in a prior pandas version labels May 27, 2015
@jreback jreback added this to the 0.17.0 milestone May 27, 2015
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jreback commented May 27, 2015

@cpcloud

@jreback jreback mentioned this issue May 27, 2015
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@jorisvandenbossche jorisvandenbossche modified the milestones: 0.16.2, 0.17.0 Jun 2, 2015
@jreback jreback modified the milestones: 0.17.0, 0.16.2 Jun 9, 2015
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jreback commented Jun 9, 2015

@cpcloud if you can have a look

@jorisvandenbossche jorisvandenbossche mentioned this issue Jun 9, 2015
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@jreback jreback modified the milestones: Next Major Release, 0.17.0 Aug 15, 2015
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jreback commented Aug 15, 2015

@cpcloud ?

@jreback jreback modified the milestones: 0.17.0, Next Major Release Aug 15, 2015
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jreback commented Aug 20, 2015

@cpcloud if you have a chance

@jreback jreback modified the milestones: Next Major Release, 0.17.0 Aug 20, 2015
@jorisvandenbossche jorisvandenbossche mentioned this issue Jun 19, 2017
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@oguzhanogreden
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This issue is still present:

df = pd.DataFrame(columns=['A','B'])
df.loc['test1', 'A'] = dict({'1':'test2'})

I'll try to tackle this soon. A reasonable solution seems like the following:

  • if the indexer points to one cell, store dict,
  • otherwise follow dictionary assignment behavior defined here.

@mroeschke mroeschke added the Bug label May 11, 2020
@mroeschke mroeschke removed the Regression Functionality that used to work in a prior pandas version label Apr 18, 2021
@mroeschke mroeschke removed this from the Contributions Welcome milestone Oct 13, 2022
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Looks like ix is removed now so not sure if this is an issue anymore so closing

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@jreback @jorisvandenbossche @oguzhanogreden @jbrockmendel @mroeschke