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Computing with Data

elgeish
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Interfacing with C Code

For example, consider the task of computing some function given two vectors a and b of size n. The C code to compute the result appears below (fooC.c); note the presence of the pre-processor directive include <R.h>. You may execute code from fooC.R after running the command R CMD SHLIB fooC.c; the runnable example below runs that command for you:

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