Hello there,

I recently wrote some code to perform pairwise correlations between all
samples in a large dataset. So we are talking about performing pairwise
correlations between 400K vectors. Since R has a very rich library of
functions, it was very easy to code this in R. However, R was probably not
the best choice as it is super slow for this large job. So my plan is to
recode it in C. I was wondering if it is possible to see the code between
some of the functions.

I am looking for the raw code for simple data handling functions such as
split, cut, etc so that I can directly use those in C. I am fairly new to
programming in C and so this will be a big help.

Thanks for you help in advance.

Diviya

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