Turn logicals into factors with levels ordered with TRUE before FALSE.
Other inputs are returned unaltered.
logical2factor(x, ...)
# Default S3 method
logical2factor(x, ...)
# S3 method for class 'data.frame'
logical2factor(x, ...)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.