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→Функция fread
{{r-code|code=<nowiki>> library(data.table)
> microbenchmark(defaults = read.tablecsv(tmp.csv, sep = ";", header = TRUE),+ ompimize = read.tablecsv(tmp.csv, sep = ";", header = TRUE, nrows = N, comment.char = "",
+ colClasses = c("integer", "integer", "factor", "numeric", "numeric", "numeric")),
+ fread = fread(tmp.csv))
