[R] Improving data processing efficiency

Esmail Bonakdarian esmail.js at gmail.com
Sat Jun 7 01:45:43 CEST 2008

hadley wickham wrote:


I tried this suggestion as I am curious about bottlenecks in my own
R code ...

> Why not try profiling?  The profr package provides an alternative
> display that I find more helpful than the default tools:
> install.packages("profr")

 > install.packages("profr")
Warning message:
package ‘profr’ is not available

any ideas?


> library(profr)
> p <- profr(fcn_create_nonissuing_match_by_quarterssinceissue(...))
> plot(p)
> That should at least help you see where the slow bits are.
> Hadley

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