Found 1 comment on HN
rm999 · 2013-08-26 · Original thread
>there are very few books that tries to teach it systematically

This book helped me a lot because it goes into how the core language works, something that is (sadly) almost always ignored by people who learn and teach R:

As far as speed, R is a lot like similar numeric tools/languages. It's designed to be very high level, building on top of heavily optimized subroutines written in lower level languages. This is why the kind of comparisons in the article are silly: almost every language will end up being the same speed because they're all just calling the same basic BLAS routines N times with virtually zero overhead (relative to the inner loop).

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