list_input_variables: List the basic input variables of a formula

In taalbrecht/MultiEqOptimizer: Optimal Design for Multiple Linear and Discrete Choice Models

Description

Lists all unique fundamental input variables from formula passed to this function.

Usage

list_input_variables(input_formula)

Arguments

input_formula

A one or two-sided formula.

Value

Returns a vector of all unique basic variable names.

Examples

##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (input_formula)
{
    library(nlme)
    Input_Func <- as.formula(paste(nlme::splitFormula(input_formula)))
    InputVarList <- all.vars(Input_Func)
    return(InputVarList)
  }

taalbrecht/MultiEqOptimizer documentation built on May 31, 2019, 12:51 a.m.