hadley wickham wrote: > >> exp1^(a[case] * l * 10) >> >> would be better written out of the loop as >> >> b <- exp1^(a * l * 10) > > And even better as > > b <- exp(a * l * 10) > > Hadley >
Aye, exp() functions tend to be heavily optimized compared to general functions such as `^` even if e is used as the base of the exponent. -Charlie ----- Charlie Sharpsteen Undergraduate-- Environmental Resources Engineering Humboldt State University -- View this message in context: http://n4.nabble.com/Competing-with-SPSS-and-SAS-improving-code-that-loops-through-rows-data-manipulation-tp1692848p1693763.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
