inst/snippet/rows-and-cols.R

DDD <- data.frame(number = 1:5, letter = letters[1:5])
dim(DDD)
nrow(DDD)
ncol(DDD)
names(DDD)
row.names(DDD)
row.names(DDD) <- c("Abe", "Betty", "Claire", "Don", "Ethel")
DDD                 # row.names affects how a data.frame prints

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fastR2 documentation built on Nov. 9, 2023, 9:06 a.m.