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FrameModuleSelectColumnsC, R, a, b Method
Builds a new data frame whose columns are the results of applying the specified function on the columns of the input data frame. The function is called with the column key and object series that represents the column data. ## Parameters - `frame` - Input data frame to be transformed - `f` - Function of two arguments that defines the column mapping [category:Frame transformations]

Namespace:  Deedle
Assembly:  Deedle (in Deedle.dll) Version: 1.2
Syntax
C#
public static Frame<b, C> SelectColumns<C, R, a, b>(
	FSharpFunc<C, FSharpFunc<ObjectSeries<R>, a>> f,
	Frame<R, C> frame
)
where a : Object, ISeries<b>

Parameters

f
Type: Microsoft.FSharp.CoreFSharpFuncC, FSharpFuncObjectSeriesR, a

[Missing <param name="f"/> documentation for "M:Deedle.FrameModule.SelectColumns``4(Microsoft.FSharp.Core.FSharpFunc{``0,Microsoft.FSharp.Core.FSharpFunc{Deedle.ObjectSeries{``1},``2}},Deedle.Frame{``1,``0})"]

frame
Type: DeedleFrameR, C

[Missing <param name="frame"/> documentation for "M:Deedle.FrameModule.SelectColumns``4(Microsoft.FSharp.Core.FSharpFunc{``0,Microsoft.FSharp.Core.FSharpFunc{Deedle.ObjectSeries{``1},``2}},Deedle.Frame{``1,``0})"]

Type Parameters

C
R
a
b

Return Value

Type: Frameb, C

[Missing <returns> documentation for "M:Deedle.FrameModule.SelectColumns``4(Microsoft.FSharp.Core.FSharpFunc{``0,Microsoft.FSharp.Core.FSharpFunc{Deedle.ObjectSeries{``1},``2}},Deedle.Frame{``1,``0})"]

See Also