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2004 Nov 29
2
proper way to process dataframe by rows
This is a best practices / style question.
The way I use RODBC is I something like this:
> foo <- sqlQuery(db, "select * from foo")
> apply(foo, 1, function{...})
That is, I use apply to iterate over each result -- row -- in the
RODBC-produced dataframe. Is this how one generally wants to do this?
My concern is that when apply iterates over the rows, it uses
as.matrix()