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ghost opened this issue Mar 21, 2013 · 6 comments · Fixed by #14629
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documentation improvement: set operations sort the index #3123

ghost opened this issue Mar 21, 2013 · 6 comments · Fixed by #14629
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Docs Indexing Related to indexing on series/frames, not to indexes themselves
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0.20.0

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@ghost
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ghost commented Mar 21, 2013

though clear from the examples, an explicit hint that set operations will re-sort your indices in ascending order would be helpful (section 7.3.1 "Set operations on Index objects"). i had indicies like "QK_1 ... QK_9 QK_10" and afterwards they got sorted as "QK_1 QK_10 QK_2...".
@jreback
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jreback commented Mar 21, 2013

pls do a PR!

@jreback
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jreback commented Sep 21, 2013

@drunkeneye can you do a PR for this?

@jreback
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jreback commented Sep 30, 2013

@drunkeneye ping!

@ghost
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ghost commented Sep 30, 2013

sorry, for now i do not have the time to checkout the project and commit a PR.

@jreback
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jreback commented Sep 30, 2013

@drunkeneye np.....feel free when you have some time

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jreback commented Feb 20, 2014

@drunkeneye PR for this?

@jreback jreback modified the milestones: 0.15.0, 0.14.0 Feb 20, 2014
@jreback jreback modified the milestones: 0.16.0, Someday Jan 26, 2015
mroeschke added a commit to mroeschke/pandas that referenced this issue Nov 2, 2016
@mroeschke
DOC: Ordering during set operation on index (pandas-dev#3123)
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@mroeschke mroeschke mentioned this issue Nov 10, 2016
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@jorisvandenbossche jorisvandenbossche modified the milestones: 0.20.0, Someday Nov 10, 2016
jorisvandenbossche pushed a commit that referenced this issue Nov 10, 2016
@mroeschke @jorisvandenbossche
DOC: Ordering during set operation on index (#3123) (#14629)
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Docs Indexing Related to indexing on series/frames, not to indexes themselves
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DOC: Ordering during set operation on index (#3123) mroeschke/pandas
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@jreback @jorisvandenbossche