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ENH: named agg with multiple columns #37627

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77e6d45
check tuple if column exists
erfannariman Nov 4, 2020
db5ccf6
Merge remote-tracking branch 'upstream/master' into 29268-named-agg-m…
erfannariman Nov 12, 2020
1875e79
Merge branch 'master' into 29268-named-agg-multiple-columns
erfannariman Nov 20, 2020
5ea26ab
added else clause plus test
erfannariman Nov 22, 2020
c66b707
remove np.random from test
erfannariman Nov 22, 2020
ea26fd8
get indexer when tuple is passed, but not multiindex
erfannariman Nov 22, 2020
7e75f88
fix pep8 too long line
erfannariman Nov 22, 2020
ba634f8
pass correct ndim
erfannariman Nov 22, 2020
bbc37e5
Merge branch 'master' into 29268-named-agg-multiple-columns
erfannariman Nov 22, 2020
dbb0c45
try to merge master
erfannariman Sep 12, 2021
76d60e6
remove moved code
erfannariman Sep 12, 2021
5ae5bad
check for sets when checking for missing columns
erfannariman Sep 12, 2021
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pass correct ndim
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@erfannariman
erfannariman committed Nov 22, 2020
commit ba634f8220630cf60d04aaec6397ce1c7e7d521c
5 changes: 3 additions & 2 deletions pandas/core/aggregation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -748,13 +748,14 @@ def agg_dict_like(

from pandas.core.reshape.concat import concat

if selected_obj.ndim == 1:
ndim = selected_obj.ndim
if ndim == 1:
# key only used for output
colg = obj._gotitem(obj._selection, ndim=1)
results = {key: colg.agg(how) for key, how in arg.items()}
else:
# key used for column selection and output
results = {key: obj._gotitem(key, ndim=1).agg(how) for key, how in arg.items()}
results = {key: obj._gotitem(key, ndim=ndim).agg(how) for key, how in arg.items()}

# set the final keys
keys = list(arg.keys())
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