Prepare sgl function arguments

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Description

Prepare sgl function arguments using sgldata.

Usage

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## S3 method for class 'sgldata'
prepare.args(data, parameterGrouping, groupWeights,
  parameterWeights, alpha, ...)

Arguments

data

a sgldata object

parameterGrouping

grouping of parameters, a vector of length p. Each element of the vector specifying the group of the parameters in the corresponding column of β.

groupWeights

the group weights, a vector of length length(unique(parameterGrouping)) (the number of groups).

parameterWeights

a matrix of size q \times p, that is the same dimension as β.

alpha

the α value 0 for group lasso, 1 for lasso, between 0 and 1 gives a sparse group lasso penalty.

...

not used

Author(s)

Martin Vincent

See Also

Other sgldata: create.sgldata; prepare.args; rearrange.sgldata

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