-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 01/10/2011 03:35 PM, Ivan Calandra wrote: > Hi, > > If I understood you correctly, you can use saveObject()/loadObject() > from package R.utils, like this:
Correct - thanks - that is what I was looking for. But why is no such function in R base? > > library(R.utils) > saveObject(x, "x.Rbin") > rm(x) > y <- loadObject("x.Rbin") > > HTH, > Ivan > > Le 1/10/2011 15:24, Rainer M Krug a écrit : > Hi > > I am writing simulations in R, and quite regularly, I have to save lists > and objects to HDD and load it later again. > > So I am wondering: why is there no function to write lists (and S3, S4 > objects) onto HDD WITHOUT keeping the name? What I mean is: > > For data.frames I can use > > x<- data.frame(x = runif(10)) > write.table(x, "x.txt) > rm(x) > > y<- read.table("x.txt") > > to load it into y. > > But for lists and S3, S4 objects, I have to use save() and load(): > > x<- list(x=1:10, y=letters(1:10)) > save(x, file="x.rdata") > rm(x) > > load("x.rdata") #1 > y<- x #2 > rm(x) #3 > > to load it into y. > I don't mind the binary of save - what I am really missing is a command > which combines lines #1, #2 and #3. > > I know - I could write my own > > save.list<- function(x, file) { > save(s, file=file) > } > > load.list<- function(file) { > load(file) > return(x) > } > > which I could then use as: > > x<- list(x=1:10, y=letters(1:10)) > save.list(x, "test.rdata") > > rm(x) > > y<- load.list("test.rdata") > > but: why is there not such a function? Am I missing something here? > > Cheers, > > Rainer > > -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation > Biology, UCT), Dipl. Phys. (Germany) > > Centre of Excellence for Invasion Biology > Natural Sciences Building > Office Suite 2039 > Stellenbosch University > Main Campus, Merriman Avenue > Stellenbosch > South Africa > > Tel: +33 - (0)9 53 10 27 44 > Cell: +27 - (0)8 39 47 90 42 > Fax (SA): +27 - (0)8 65 16 27 82 > Fax (D) : +49 - (0)3 21 21 25 22 44 > Fax (FR): +33 - (0)9 58 10 27 44 > email: rai...@krugs.de > > Skype: RMkrug >> ______________________________________________ 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. >> - -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Natural Sciences Building Office Suite 2039 Stellenbosch University Main Campus, Merriman Avenue Stellenbosch South Africa Tel: +33 - (0)9 53 10 27 44 Cell: +27 - (0)8 39 47 90 42 Fax (SA): +27 - (0)8 65 16 27 82 Fax (D) : +49 - (0)3 21 21 25 22 44 Fax (FR): +33 - (0)9 58 10 27 44 email: rai...@krugs.de Skype: RMkrug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk0rGugACgkQoYgNqgF2egrnPwCfVM3v/pyJdZQ5f9Fd9w9Mnsfm dDYAnAgkcuZqcI+QG6YRU2pEui6PvE/Q =4j0d -----END PGP SIGNATURE----- ______________________________________________ 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.