On Mon, 29 Mar 2004, Edwin Leuven wrote:
> > Stata tends to store data as float, integer, or even byte where
> > appropriate for the precision. This is one source of space saving. A
> > factor of 2 is not atypical.
>
> i was suspecting something like this.
>
> what does R do? default to double always (or something like this)?
>
> is this a deliberate design choice made by the R people or just
> convenience while not having to worry about datatypes?
R has only numeric (C double) and integer (C int) types for storing
numeric data. I think the reason for not having single precision is
insufficient accuracy in computation. Shorter integers might be useful
sometimes.
-thomas
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