Can someone help with visdat usage

General
1

Hi everyone! I am unable to visualise my data using vis_cat(ebola_sierra_leone) I had to use
visdat::vis_dat(ebola_sierra_leone)
Please help

2

I do not think the command vis_cat exists.
vis_dat() works if {visdat} is loaded

library(visdat)
vis_dat(mtcars)