benchmark-dea

in the name of God


hi dear

I  use benchmark package to use of dea  and when I wanna save my result
as csv by this as below
 write.csv(farzana,'D:sajjaad.csv')

I can not and the error is as below


Error in as.data.frame.default(x[[i]], optional = TRUE, stringsAsFactors =
stringsAsFactors) :
  cannot coerce class ""Farrell"" to a data.frame


what should I do ?


best regards
farzana