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Hello, I can't figure out a "proper" way to extract the month number from a Date class variable. I can do it like this: > today <- as.Date(Sys.time()) > as.integer (format.Date (today, "%m")) but it must be inefficient, since I convert a date to text and back to a number. I tried: > months(today) but the months() function returns the name of the month, not

Hello, I do some computations on datasets that come from climate models. These data are huge arrays, significantly larger than typically available RAM, so they have to be accessed row-by-row, or rather slice-by slice, depending on the task. I would like to make an R package to easily access such datasets within R. The C++ backend is ready and being used under Windows/.Net/Visual Basic, but I have