Function used to fix for update in Rtables issue
tern#593
(NA
alternative -> " "
)
This function is similar in scope as df_explicit_na()
. In the future a merge
is to be expected.
Details
this functions relies onto for
loop, levels
, and nchar
. It can
easily be optimized for different cases. For the moment, this fits the purpose
to fix issue tern#593