gdata (version 2.3.1)

c.factor: Combine factors, properly handling levels

Description

This method for c combines factors while properly preserves level information.

Usage

c.factor(..., recursive = FALSE)

Arguments

...

factors to be combined

recursive

ignored

Value

• A single factor object. The levels on the new object are created by concatinating the levels of the provided factors, with any duplicate level names merged, and with the factor coding modified appropriately.

See Also

c

Examples

f1 <- factor(letters[1:10])
f2 <- factor(letters[5:14])

c(f1,f2)