search for: phenemonon

...didn't arise using earlier versions of R (Linux). A dataframe is created and new columns added to it by doing calculations using apply with various functions on some of the original columns. It's somewhat too involved to give a toy example that's reproducible. However, the resulting phenemonon can be characterised by the following: Browse[1]> dim(mod.df) [1] 409 5 Browse[1]> object.size(mod.df) [1] 31520 Browse[1]> is.array(mod.df) [1] FALSE Browse[1]> mod.df[1:5,] Error in as.data.frame.default(x[[i]], optional = TRUE) : can't coerce array into a data.frame The who...