Hi So why you do not assign it inside a cycle? As I said lapply does the same as for cycle does (maybe in some more compact manner).
Regards Petr > -----Original Message----- > From: Simone Gabbriellini [mailto:simone.gabbriell...@gmail.com] > Sent: Friday, February 01, 2013 2:29 PM > To: PIKAL Petr > Cc: r-help@r-project.org > Subject: Re: [R] how to > > Hi, > > Yes I know it works, but I'd like to assign the results like this: > > V(g)$meanknn <- ONELINER > > Where V(g) elencates all the nodes in my graph... > > Thanks, > Simone > > Sent from my iPhone. Please excuse brevity and odd typos > > On 01/feb/2013, at 13:31, PIKAL Petr <petr.pi...@precheza.cz> wrote: > > > Hi > > > > I do not see any problem with your code. *apply functions are also > hidden cycles and there shall not be substantial improvement in speed. > > > > Why you do not want to use for cycle? > > > > Petr > > > > > >> -----Original Message----- > >> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > >> project.org] On Behalf Of Simone Gabbriellini > >> Sent: Friday, February 01, 2013 12:54 PM > >> To: r-help@r-project.org > >> Subject: [R] how to > >> > >> Dear List, > >> > >> I have a list of lists and on each list I want to apply a function > >> from the igraph package, graph.knn. I need to calculate graph.knn > for > >> each list on a graph g, then retrieve one of the result called $knn > >> and calculate its mean. The non-R style code looks like this: > >> > >> for(i in listOfLists){ > >> print(mean(graph.knn(g, i)$knn)) > >> } > >> > >> Is there any way to convert this in a one-liner? I have tried to > >> figure it out with lapply() or mapply() but with no success. > >> > >> Thank you in advance for your help. > >> > >> Simone > >> > >> -- > >> Simone Gabbriellini, PhD > >> > >> PostDoc@DISI, University of Bologna > >> mobile: +39 340 39 75 626 > >> email: simone.gabbriell...@unibo.it > >> home: www.digitaldust.it > >> > >> DigitalBrains srl > >> Amministratore > >> mobile: +39 340 39 75 626 > >> email: simone.gabbriell...@digitalbrains.it > >> home: www.digitalbrains.it > >> > >> ______________________________________________ > >> 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. ______________________________________________ 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.