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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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Convert seconds value to hours minutes seconds?
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GeobitsGeobits
20.9k66 gold badges5252 silver badges100100 bronze badges
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Is there a “do … while” loop in Ruby?
...ere
break if <condition>
end
Here's an email exchange in 23 Nov 2005 where Matz states:
|> Don't use it please. I'm regretting this feature, and I'd like to
|> remove it in the future if it's possible.
|
|I'm surprised. What do you regret about it?
Because it's hard for users to...
Generate random number between two numbers in JavaScript
...erence/…)
– Francisc
Apr 9 '13 at 20:12
5
Read the above comment. Random is inside [0,1), not [...
Canvas width and height in HTML5
...keStyle = '#f00';
ctx.fillStyle = '#eff';
ctx.fillRect( 10.5, 10.5, 20, 20 );
ctx.strokeRect( 10.5, 10.5, 20, 20 );
ctx.fillRect( 40, 10.5, 20, 20 );
ctx.strokeRect( 40, 10.5, 20, 20 );
ctx.fillRect( 70, 10, 20, 20 );
ctx.strokeRect( 70, 10, 20, 20 );
ctx.strokeStyle = '#fff';
ct...
What type of hash does WordPress use?
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answered Jun 25 '09 at 20:30
Ólafur WaageÓlafur Waage
63.3k1717 gold badges134134 silver badges192192 bronze badges
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How should I copy Strings in Java?
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edited May 15 '12 at 20:15
answered May 15 '12 at 20:04
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Copying the GNU screen scrollback buffer to a file (extended hardcopy)
...'s $PWD.
– seumasmac
Dec 4 '14 at 1:20
7
Note that if you have a long scrollback buffer and not m...
Static fields on a null reference in Java
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answered Jul 20 '12 at 13:06
assyliasassylias
287k6767 gold badges597597 silver badges722722 bronze badges
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Iterate a list as pair (current, next) in Python
...we need to keep rolling?
– uhoh
Jan 20 '18 at 23:45
1
@uhoh: Hasn’t yet as far as I know!
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