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Create a SIGMA parameter.

Usage

Sigma(
  name = NA,
  index = NA,
  index2 = NA,
  value = NA,
  fix = FALSE,
  type = NULL,
  label = NA,
  comment = NA
)

Arguments

name

parameter name, e.g. CL (prefix SIGMA will be added automatically)

index

parameter index

index2

second parameter index

value

parameter value

fix

parameter was fixed in estimation, logical value

type

variance type: 'var', 'sd', 'covar', 'cv' or 'cv%'

label

parameter label, optional

comment

any comment, optional

Value

a SIGMA parameter