Identify factors with low frequency classes

Identify factors with low frequency classes

Usage

check_freq(x, thres = NULL, quiet = FALSE)

Arguments

x

data set to check

thres

integer. Factors with at least one class of size smaller than thres will be identified. Defaults to NULL,

quiet

whether to suppress printing messages to the console. defaults to FALSE.

Value

invisibly returns a list for downstream use in check_feature()

Details

If x is the output of \link{prepare_ml}(), the tibble x$data$prep$train is checked for factors with at least one low frequency class. Please refer to the package vignette for further details.

Authors

Maike Ahrens (ahrensmaike), Sebastian Voss (svoss09)