returns the number of columns displayed
See also
Other functions for flextable size management:
autofit(),
dim.flextable(),
dim_pretty(),
fit_to_width(),
flextable_dim(),
height(),
hrule(),
nrow_part(),
width()
Examples
library(flextable)
ft <- qflextable(head(cars))
ncol_keys(ft)
#> [1] 2