Try this: mean(unlist(sapply(listobject[1:5], '[', 'element')))
On Wed, Dec 15, 2010 at 11:22 AM, Jim Maas <jimmaa...@gmail.com> wrote: > I get a list object from an iterative function. I'm trying to figure out > the most efficient way to calculate the mean of one element, across all > components of the overall list. > > I've tried > > output <- mean (listobject[[1:5]]$element) > > to get the mean of "element" in the first five components? > > It doesn't like the $. I'm suspect one of the "apply" functions will work, > but again I've not had success > > > Thanks a bunch. > > J > > ---- > Jim Maas > University of East Anglia > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[alternative HTML version deleted]]
______________________________________________ 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.
