magpie ~master (2019-09-13T05:17:26Z)

DataFrame.groupBy

magpie dataframe DataFrame

Group DataFrame rows based on column values

struct DataFrame(FrameFields...)
auto
groupBy
(
int[] dataLevels = []
)
(
int[] indexLevels = []
)
if (
FrameFields.length > 0 &&
(
(
!isType!(FrameFields[0]) &&
is(typeof(FrameFields[0]) == bool)
&&
FrameFields[0] == true
&&
FrameFields.length > 1
) ||
isType!(FrameFields[0])
)
)

Return Value

Type: auto

A Group object

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