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Multiple aggregations of the same column using pandas GroupBy.agg()
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You can simply pass the functions as a list:
In [20]: df.groupby("dummy").agg({"returns": [np.mean, np.sum]})
Out[20]:
mean sum
dummy
1 0.036901 0.369012
or as a dictionary:
In [21]: df.groupby('dummy').agg({'returns':
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Display / print all rows of a tibble (tbl_df)
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Jan 28 '17 at 3:09
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UIButton custom font vertical alignment
... exact value that works best for you. In my case I changed it from 750 to 1200. Then run the utility again with the following command line to merge your changes back into the ttf file:
~$ ftxdumperfuser -t hhea -A f Bold.ttf
Then just use the resulting ttf font in your app.
OS X El Capitan
The ...
Amazon S3 boto - how to create a folder?
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edited Feb 20 '17 at 10:33
Rahul K P
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How to assign colors to categorical variables in ggplot2 that have stable mapping?
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edited Apr 3 '16 at 16:20
Axeman
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answered Aug...
Using Chrome's Element Inspector in Print Preview Mode?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Apr 30 '15 at 7:53
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Options, Settings, Properties, Configuration, Preferences — when and why?
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edited Jan 15 '10 at 20:10
answered Jan 15 '10 at 20:02
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How should I detect unnecessary #include files in a large C++ project?
I am working on a large C++ project in Visual Studio 2008, and there are a lot of files with unnecessary #include directives. Sometimes the #include s are just artifacts and everything will compile fine with them removed, and in other cases classes could be forward declared and the #include could...
How to style UITextview to like Rounded Rect text field?
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How to plot two histograms together in R?
...histograms
plotOverlappingHist <- function(a, b, colors=c("white","gray20","gray50"),
breaks=NULL, xlim=NULL, ylim=NULL){
ahist=NULL
bhist=NULL
if(!(is.null(breaks))){
ahist=hist(a,breaks=breaks,plot=F)
bhist=hist(b,breaks=breaks,plot=F)
} else {...