COnsider the use of a 'list': dataYear <- lapply(c(1940, 1950, 1960), function(.file){ read.table(paste("c:/data/", .file, '.csv', sep=''), header=TRUE, sep=',') })
The you can access your data: dataYear[['1940']] or dataYear$"1940" On Sat, Mar 21, 2009 at 3:53 PM, Le Wang <ruser...@gmail.com> wrote: > Hi there, > > Thanks for your time in advance. > > I am trying to read in multiple files. For example, > > data.1940 <- read.table("c:/data/1940.csv",header=TRUE,sep=",") > data.1950 <- read.table("c:/data/1950.csv",header=TRUE,sep=",") > data.1960 <- read.table("c:/data/1960.csv",header=TRUE,sep=",") > > How can I write a loop to read the data? I was trying to use the following > > year<-c(1940,1950,1960) > > for (j in 1:3){ > > data.year[j] <- read.table("c:/data/year[j] > .csv",header=TRUE,sep=",") > > } > > But it is obviously wrong, as the marco is not proctected. > > I have been googling around for a while but haven't succeeded in > finding any solutions. Thanks again for your help. > > Le > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.