Generate a sequence of integers the length/ncol of an object.
length
ncol
id(x, prefix = FALSE, pad = TRUE, ...)
A dataframe, matrix, vector, or list object.
A character string to use as a prefix. FALSE or NULL results in no prefix being used. TRUE will utilize the prefix "X.".
FALSE
NULL
TRUE
"X."
logical. If TRUE the beginning number will be padded with zeros.
Other arguments passed to pad.
pad
Returns a vector of sequential integers.
id(list(1, 4, 6)) id(matrix(1:10, ncol=1)) id(mtcars) id(mtcars, TRUE) id("w") id(mtcars, prefix="id-") library(qdap) question_type(DATA.SPLIT$state, id(DATA.SPLIT, TRUE))
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