as.integer.lfactor {lfactors}

Integer Vectors from lfactors

Description

Returns integer representation of an lfactor that ignores the values used in the levels argument when the lfactor was created and instead returns an integer representation starting with 1.

Usage

## S3 method for class 'lfactor'
as.integer(x, ...)

Arguments

x

same as as.integer

...

not used

Details

This method does not return integer results that are otherwise equal to the results from as.numeric for compatibility with sparse.model.matrix.

See Also

as.integer, as.numeric.lfactor

Examples

require(lfactors)
# create an example
let <- lfactor(4:12,
               levels=4:12,
               labels=letters[4:12])

as.numeric(let)
#same as as.numeric(4:12)
as.integer(let)
#same as 1:9