Turn logicals into factors; leave other things alone
logical2factor(x, ...)# S3 method for default
logical2factor(x, ...)
# S3 method for data.frame
logical2factor(x, ...)
a vector or data frame
additional arguments (currently ignored)
If x
is a vector either x
or the result
of converting x
into a factor with levels TRUE
and FALSE
(in that order); if x
is a data frame,
a data frame with all logicals converted to factors in this manner.