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While speeding up some code the other day working on a project with a colleague I ended up trying Rcpp for the first time. I re-implemented the cosine distance function using RcppArmadillo relatively easily using bits and pieces of code I found scattered around the web. But the speed increase was not as much as I expected comparing the Rcpp code to pure R.Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
And here is the speed comparison…
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