Hi,
Your mistake is related with "read.table(n)". I haven`t got what you want
but I put an example below (where I used loop to read many files). Hope it
helps. Anyway, I thougth should have sent your question to
<r-help@r-project.org>.
Bye
Nilza
=====example ====================
nomesout <- dir(dat.dir,pattern="^[s]") #obtem no diretorio de atual todos
arquivo iniciado com a letra s
OUT <- read.table(paste(dat.dir,nomesout[1] ,sep = ""),header = FALSE, sep =
",", na.strings = c("/","///","////","/////","//////"))
for(i in 2:length(nomesout)){
Y <- read.table(paste(dat.dir,nomesout[i] ,sep = ""),header = FALSE, sep =
",")
OUT <- rbind(OUT, Y)
}
OUT <- OUT[-1,] ## Remove linhas em branco
On Fri, Dec 17, 2010 at 9:00 AM, <r-sig-db-requ...@r-project.org> wrote:
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> 1. Help with loop (Daniel)
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> Message: 1
> Date: Thu, 16 Dec 2010 21:47:47 -0200
> From: Daniel <dms...@gmail.com>
> To: r-sig...@stat.math.ethz.ch
> Subject: [R-sig-DB] Help with loop
> Message-ID:
> <aanlktik0goa-khuoftqocj4uv-c81tlkcesgkdtf3...@mail.gmail.com>
> Content-Type: text/plain
>
> Hello all,
> Is there a way to get each file from a website list and aggregate in a
> unique file?
> Otherwise I have to type 23 thousand web address into a long script like
> it:
>
> base1 <- read.table("site 1", sep=";", header=T,
> fileEncoding="windows-1252")
> base2 <- read.table("site 2", sep=";", header=T,
> fileEncoding="windows-1252")
>
> I need to download each .CSV file from each web address and "rbind" all
> them
> into one data frame.
> Also I need to translate each object to UTF-8. Of course many of address
> maybe be empty, so, my loop can't stops because this.
>
> I never type a loop before, so, in my first shot I get an error. Can
> somebody help me?
>
> myresult <- NULL
> n <-length(mysites)
> for (i in 1:n) {
> bases <- read.table(n)
> bases[i]<-read.table(mysites[[i]], sep=";", header=TRUE,
> fileEncoding="windows-1252")
> tudo <- rbind(myresult, bases)
> }
>
> Error in read.table(n) : 'file' must be a character string or connection
> --
> Daniel Marcelino
> Skype: dmsilv
> www.sites.google.com/site/politicaevoce/ <http://bit.ly/pol4vc>
>
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--
Abraço,
Nilza Barros
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