Keep Only Columns Used for Sample Selection
Usage
keep_cat_cols(x, keep_sam_cols = TRUE, return_idx = TRUE)
Arguments
- x
a data.frame with many columns.
- keep_sam_cols
if TRUE (default), keep columns with
pattern 'sample', 'patient', etc.
- return_idx
if TRUE (default), return index of 5 (at most) columns, it is useful in Shiny.
Value
a data.frame or a list.