[R] summation coding

djbanana karl79264219 at gmail.com
Fri Oct 19 08:16:08 CEST 2012

I am aware of the most basic stuff, especially vectorization and

I only gave a simple example with length 4. I need to do that for vectors of
length 190.

Are there any in-built commands?

Or should I write the loops myself?

Thank you.

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