R Robustreg Package Downloads

February 24, 2020
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I built robustreg in 2006 and at the time the major stat packages did not have a robust regression available.  Below are graphs of weekly and cumulative downloads from just the RStudio mirror.  I would estimate total downloads at over 150,000.

The median_rcpp() function is written in C++ and is multiple times faster than the R base function median().

> r_norm<- rnorm(1000000)
 > system.time(median(r_norm))
user system elapsed
0.040 0.004 0.044
> system.time(median_rcpp(r_norm))
user system elapsed
0.011 0.000 0.011 
 > median(r_norm)
[1] -0.001214243
> median_rcpp(r_norm)
[1] -0.001214243

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