# Allows conversion of factor to numeric values preserving original levels — fct2num • REDCapCAST
Allows conversion of factor to numeric values preserving original levels

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# Allows conversion of factor to numeric values preserving original levels

Source: `R/as_factor.R`
`fct2num.Rd`

Allows conversion of factor to numeric values preserving original levels

## Usage

    fct2num(data)

## Arguments

data

  vector

## Value

numeric vector

## Examples

    c(1, 4, 3, "A", 7, 8, 1) |>
      as_factor() |>
      fct2num()
    #> [1] 1 2 3 4 5 6 1

    structure(c(1, 2, 3, 2, 10, 9),
      labels = c(Unknown = 9, Refused = 10),
      class = "haven_labelled"
    ) |>
      as_factor() |>
      fct2num()
    #> [1]  1  2  3  2 10  9

    structure(c(1, 2, 3, 2, 10, 9),
      labels = c(Unknown = 9, Refused = 10),
      class = "labelled"
    ) |>
      as_factor() |>
      fct2num()
    #> [1]  1  2  3  2 10  9

    structure(c(1, 2, 3, 2, 10, 9),
      labels = c(Unknown = 9, Refused = 10)
    ) |>
      as_factor() |>
      fct2num()
    #> [1]  1  2  3  2 NA NA