Recodes Likert-scale values using a mapping vector. The i-th value in
mapping specifies what the original value i should become. Values in
na_values are set to NA.
Usage
collapse_likert(data, vars, mapping = c(1L, 1L, 2L, 3L, 3L), na_values = 97)Arguments
- data
A data frame.
- vars
A character vector of column names to recode.
- mapping
An integer vector where position i gives the new value for original value i. Defaults to
c(1, 1, 2, 3, 3)which collapses a 5-point Likert scale into 3 categories.- na_values
Numeric vector of values to recode to NA. Defaults to
97.
Examples
d <- data.frame(q1 = c(1, 2, 3, 4, 5, 97))
collapse_likert(d, "q1")
#> q1
#> 1 1
#> 2 1
#> 3 2
#> 4 3
#> 5 3
#> 6 NA