Please do the reading I recommended before posting again. My example was numeric because your example was numeric. For more complicated data, a list is a type of vector that can hold such objects, and you would know this if you had read the intro document. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity.
On May 13, 2014 7:22:08 PM PDT, yuanzhi <yuanzhi...@usherbrooke.ca> wrote: >Thank you for your reply. > >Yes, there is a problem according to you suggestion. >What if the value are not numerical, e.g. I want to use the variable to >store the results of linear regression. >can I use >myvec <- vector( "numeric", 10 ) >for ( i in 1:10 ) { > myvec[ i ] <- summary(lm(y~x)) # y and x are different values in each >loop. >} >? > >you advice seems only to be available when the function left allocates >a >numerical value to the variable, what if the function return other type >of >objects? > > > > >Jeff Newmiller wrote >> What is wrong with >> >> myvec <- vector( "numeric", 10 ) >> for ( i in 1:10 ) { >> myvec[ i ] <- i >> } >> >> ? >> >> If you are using assign, IMHO you are probably doing whatever you are >> doing wrong. >> >> If you want named elements, give the vector names: >> >> names( myvec ) <- paste0( "t", 1:10 ) >> >> and you can refer to them >> >> myvec[ "t3" ] >> >> Go read the "Introduction to R" document again... particularly the >> discussion of indexing. >> >--------------------------------------------------------------------------- >> Jeff Newmiller The ..... ..... Go >> Live... >> DCN:< > >> jdnewmil@.ca > >> > Basics: ##.#. ##.#. Live Go... >> Live: OO#.. Dead: OO#.. >Playing >> Research Engineer (Solar/Batteries O.O#. #.O#. with >> /Software/Embedded Controllers) .OO#. .OO#. >> rocks...1k >> >--------------------------------------------------------------------------- > >> Sent from my phone. Please excuse my brevity. >> >> On May 13, 2014 5:47:12 PM PDT, Yuanzhi Li < > >> Yuanzhi.Li@ > >> > wrote: >>>Hi, everyone >>> >>>I want to create a series of variables (e.g. t1, t2..., t10) which >>>could >>>be used in loops. My idea is to use function "assign" >>> >>>for (i in 1:10) >>>{ >>> assign(paste("t",i,sep=""), FUN) # allocate the value from FUN to >>>variable ti >>>} >>> >>>But when I create a vector containing the names of these variables >and >>>want to use the variables according to the subscript, it doesn't >works. >>> >>>t<-noquote(paste("t",1:10,sep="")) >>>t[1] >>>t1 >>>it returns only the name of variable t1, but not the value allocated >to >>> >>>t1 by FUN. So what should I do to realize this? >>> >>>Or is there any better way to do this? >>> >>>Can we define a series of variables which can be used according to >the >>>subscript like >>>t<-f(t1, t2..., t10), >>>then we have 10 variables which can be used directly? >>>for(i in 1:10) >>>{ >>> t[i]<-FUN# with the fines variables we can directly assign the >value >>>of FUN to ti >>>} >>>These are just my thoughts, I don't know whether there are available >R >>>codes to realized it. I am looking forward any help from you. >>> >>>Thanks in advance! >>> >>>Yuanzhi >>> >>>______________________________________________ >>> > >> R-help@ > >> 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@ > >> 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. > > > > > >-- >View this message in context: >http://r.789695.n4.nabble.com/How-to-create-multi-variables-tp4690465p4690470.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. ______________________________________________ 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.