nmm: add_variable – R documentation

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Documentation

nmm

add_variable

add_variable adds columns to the data matrix

Description

add_variable adds columns to the data matrix

Usage

add_variable(data = data, dname = "chc", weights = NULL)

Arguments

`data`	data.frame, if `dname=="chc"` columns "chc_i" has to be in the data.
`dname`	if `dname=="chc"` (dummy for chosen alternative) dummy for the choice alternative added, if "weights" weights added
`weights`	Matrix with weights to be added to the data

Value

data.frame

Examples

chc <- c(1,2,1,4,3,1,4)
data <- data.frame(choice=chc, x=rnorm(length(chc)), y=rnorm(length(chc)))
add_variable(data, dname="chc")
ww <- c(1,1,1,2,2,2,3)
add_variable(data, dname="weights", weights=ww)

nmm

Nonlinear Multivariate Models

v0.9

GPL (>= 2)

Authors

Simona Jokubauskaite [aut, cre], Reinhard Hoessinger [aut], Friedrich Leisch [aut]

Initial release