Markus Loecher <mao.loecher <at> gmail.com> writes: > > Dear R users, > I have been diligently using the apply() family in order to avoid explicit > for loops and speed up computation. > However, when I finally inspected the source code for apply, it appears that > the core computation is a simple loop as well. > What am I missing ? Why the often found advice to use apply() instead of > loops and the actually observed empirical speedups on many tasks ? > > Thanks in advance for demystifying, > > Markus >
Professor Ripley gave the following response to a similar question, that I believe will answer your question. http://finzi.psych.upenn.edu/R/Rhelp02a/archive/76330.html Mark Lyman ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
