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Multiple Column Subset
multi_sub(dat, key.dat, vars = names(key.dat))
A data.frame, data.table subsetted by key.dat.
data.frame, data.table
key.dat
A data.table to be subsetted.
data.table
A data.table containing multiple columns used to index and subset dat.
dat
Character string of columns in key.dat to be used for subsetting.
# \donttest{ cow_index<-demcon::cow_index() names(cow_index)[1]<-"COWcode" dat <- demcon::get_vdem() dat <- demcon::multi_sub(dat, cow_index, vars = c("COWcode", "year"))# }
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