var2fct {REDCapCAST} | R Documentation |
Convert vector to factor based on threshold of number of unique levels
Description
This is a wrapper of forcats::as_factor, which sorts numeric vectors before factoring, but levels character vectors in order of appearance.
Usage
var2fct(data, unique.n)
Arguments
data |
vector or data.frame column |
unique.n |
threshold to convert class to factor |
Value
vector
Examples
sample(seq_len(4), 20, TRUE) |>
var2fct(6) |>
summary()
sample(letters, 20) |>
var2fct(6) |>
summary()
sample(letters[1:4], 20, TRUE) |> var2fct(6)
[Package REDCapCAST version 25.3.2 Index]