matrix or other object transformable to
data.frame
Value
data.frame
Details
This function, and adf2, are useful for
dealing with errors due to automatic conversion of some
columns to factors. Another solution may be to prepend
options(stringsAsFactors = FALSE) at the start of
one's script, to turn off all default stringsAsFactors
silliness.
In adf2, rownames are forced to be numbers; this can
prevent errors due to e.g. repeated rownames after an
rbind operation.