subset_data: Subset the data to only include used variables

In edsandorf/cmdlR: Choice Modeling in R

Subset the data to only include used variables

Description

The function deparses the supplied function to find only the variables used.

Usage

subset_data(func, db, ...)

Arguments

func	A user supplied function
db	A tibble or data.frame
...	Other variables in 'db' to keep that are not used in the supplied function. Must be supplied as character strings.

Examples

ll <- function(param) {
  V <- list(
    alt1 = asc_1 + b_1 * variable_1,
    alt2 = asc_2 + b_2 * var_2
  )
}

db <- tibble::tibble(
  variable_1 = runif(10),
  var_2 = runif(10),
  id = seq(1, 10, 1),
  ct = rep(1:2, 5),
  income = sample(100:1000, 10)
)

subset_data(ll, db, c("id", "ct"))
subset_data(ll, db, "id", "ct")
subset_data(ll, db, c("id", "ct"), "income")

edsandorf/cmdlR documentation built on Jan. 17, 2024, 12:33 a.m.