Displaying 1 result from an estimated 1 matches for "vec_cat".
2013 Jan 17
3
how to use "..."
Dear users,
I'm trying to learn how to use the "...".
I have written a function (simplified here) that uses doBy::summaryBy():
# 'dat' is a data.frame from which the aggregation is computed
# 'vec_cat' is a integer vector defining which columns of the data.frame
should be use on the right side of the formula
# 'stat_fun' is the function that will be run to aggregate
stat.group <- function(dat, vec_cat, stat_fun){
require(doBy)
df <-
summaryBy(as.formula(paste0("...