inst/bench/fwf/vroom-dplyr.R

({ library(vroom); library(dplyr) })
x <- vroom_fwf(file, fields, col_types = types)
print(x)
a <- head(x)
b <- tail(x)
c <- sample_n(x, 100)
d <- filter(x, PERSONS == "06")
e <- group_by(x, STATE) %>% summarise(avg_TOTPUM5 = mean(TOTPUMA5))

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vroom documentation built on June 14, 2021, 5:09 p.m.