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PERF: add vbenchs for groupby functions with different group sizes #6787
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jreback
added this to the
0.15.0
milestone
Apr 3, 2014
jreback
added Groupby Performance Good as first PR
labels
Apr 3, 2014
This was referenced Sep 19, 2014
Closed
jreback
modified the milestone: 0.15.0, 0.15.1
Sep 28, 2014
jreback
closed this
in #8410
Sep 30, 2014
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jreback commentedApr 3, 2014
http://stackoverflow.com/questions/22845856/performance-issues-with-groupbys-last-in-pandas/22846215#22846215
want to run all built-in functions (e.g.
first,last,nth,sum,min...etc withlarge number of groups, say 10000 to verify perf.