Sorry. Not sure what you mean by macro not " protected."
?paste
?assign
Perhaps:
> filelist <- paste("c:\\data\\", year,".csv", sep="")
> filelist
[1] "c:\\data\\1940.csv" "c:\\data\\1950.csv" "c:\\data\\1960.csv"
for (i in filelist) {
assign( paste("data.", year[i], sep="") ,
read.table( file=i, , header=TRUE, sep=",")
)
}
On Mar 21, 2009, at 3:53 PM, Le Wang 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
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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