Thank you!!! unlist() worked perfectly!!! Have a nice weekend Laura ----Messaggio originale---- Da: petr.pi...@precheza.cz Data: 20.02.2009 14.58 A: <lauramorg...@bluewin.ch> Copia: <r-help@r-project.org> Oggetto: Re: [R] write.table
Hi r-help-boun...@r-project.org napsal dne 20.02.2009 12:54:41: > Thank you for your advice, but I didn't manage to make it work... > I tried > > carichi.annui <- data.frame > (anno,loadPTG,loadPO4,loadNT,loadNH4,loadNO3,loadBOD5,loadSiO2) > > And I got this error message: > > Error in data.frame(anno, loadPTG, loadPO4, loadNT, loadNH4, loadNO3, : > the arguments have a different numer of rows: 4, 1 > > If I do > > sapply(carichi.annui, class) > > I get: > anno loadPTG loadPO4 loadNT loadNH4 loadNO3 loadBOD5 loadSiO2 > "list" "list" "list" "list" "list" "list" "list" "list" > Well, here is finally something. You can transfer lists to data frames. lll<-list(x=rnorm(5), y=rnorm(5)) do.call(data.frame,lll) or if you have "vector" list like that x<-list(rnorm(5)) > x [[1]] [1] -0.7349324 -0.4697276 -1.2026201 -1.4366955 -1.4713526 use unlist > unlist(x) [1] -0.7349324 -0.4697276 -1.2026201 -1.4366955 -1.4713526 > Regards Petr > I thought that the function as.vector() could turn a list of numbers into a > vector... was I wrong? > > ----Messaggio originale---- > Da: rip...@stats.ox.ac.uk > Data: 20.02.2009 12.40 > A: "lauramorg...@bluewin.ch"<lauramorg...@bluewin.ch> > Copia: <r-help@r-project.org> > Oggetto: Re: [R] write.table > > On Fri, 20 Feb 2009, lauramorg...@bluewin.ch wrote: > > > Sorry, I'm using R 2.8.1 on Microsoft Windows XP professional 2002 Service Pack 2. > > The error I get is > > Error in write.table(x, file, nrow(x), p, rnames, sep, eol, > >> na, dec, as.integer(quote), : > > 'list' type not implemented in 'EncodeElement' > > The problem is that I can' t manage to save the dataframe... > > With other dataframe I usually have no problems!!! > > What does sapply(carichi.annui, class) tell you? > > It would be better to use > > carichi.annui <- > data.frame(anno,loadPTG,loadPO4,loadNT,loadNH4,loadNO3,loadBOD5,loadSiO2) > > as you don't need an intermediate matrix. > > > > >> > >> Hello, > >> I tried to turn lists into vectors and then bind them > >> together in order to create a dataframe but if, after this, I > >> try to use the function write.table I get the following error message: > >> Error in write.table(x, file, nrow(x), p, rnames, sep, eol, > >> na, dec, as.integer(quote), : > >> 'list' type not implemented in 'EncodeElement' > >> > >> Here is what I've done: > >> as.vector(c(unique(portate$Anno)))->anno > >> as.vector(loadListPO4)->loadPO4 > >> as.vector(loadListPTG)->loadPTG > >> as.vector(loadListNT)->loadNT > >> as.vector(loadListNH4)->loadNH4 > >> as.vector(loadListNO3)->loadNO3 > >> as.vector(loadListBOD5)->loadBOD5 > >> as.vector(loadListSiO2)->loadSiO2 > >> cbind(anno,loadPTG,loadPO4,loadNT,loadNH4,loadNO3,loadBOD5,loa > >> dSiO2)->carichi > >> as.data.frame(carichi)->carichi.annui > >> > >> #if I type > >> carichi.annui > >> #I get > >> anno loadPTG loadPO4 loadNT loadNH4 loadNO3 loadBOD5 loadSiO2 > >> 1 2002 3.399518 1.382235 390.6959 22.07992 256.2244 > >> 492.9177 150.6505 > >> 2 2003 1.559606 0.6271712 202.9181 6.198592 145.9498 > >> 63.07578 68.08632 > >> 3 2004 2.363862 0.9493779 292.0841 12.21207 200.2545 > >> 141.0533 105.2409 > >> 4 2005 1.655554 0.6570313 217.2192 6.58045 155.7393 > >> 66.44154 73.0394 > >> 5 2006 1.827174 0.7290634 235.7914 7.858396 166.8327 > >> 79.2474 80.92576 > >> 6 2007 1.742629 0.6891045 228.0253 7.130082 162.6692 > >> 71.91434 77.22507 > >> 7 2008 0.8382246 0.3612176 110.9079 2.024197 86.60459 > >> 25.46127 32.9733 > >> > >> #which looks lika a data frame > >> #And if I type > >> is.data.frame(carichi.annui) > >> # I get this: > >> [1] TRUE > >> > >> #but if I try > >> write.table(carichi.annui, "carichi.annui.lav") > >> #It doesn't work?!?!?! > >> Does someone have an explanation? > >> Thanks a lot for any help!! > >> Laura > >> > > Laura, > > > > What do you mean by "It doesn't work"? Do you get error messages? Or, do > > you just not get what you want? And if so, what is that you want? > > > > Dan > > > > Daniel Nordlund > > Bothell, WA USA > > > > ______________________________________________ > > 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. > > > > -- > Brian D. Ripley, rip...@stats.ox.ac.uk > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > > ______________________________________________ > 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.
