[R] Assignments in loops

[Roger D. Peng]

How about

for( ) {
	assign(brand, read.table(......))
}

?

-roger

Murray Jorgensen wrote:
> Greetings all. Any help with the following would be appreciated.
> 
> I want to create a data frame for each file in a directory. The following
> code does not work but it may show what I am trying to do:
> 
> carmakes <- c('BMW','Chrysler','Citroen','Fiat','Ford','Holden','Honda',
> 'Mercedes','MG','Mitsubishi','Nissan','Peugeot','Renault','Subaru','Toyota',
> 'VW')
> for (brand in carmakes) {
>    fyle <- paste("c:/data/cars03/",brand,".txt",sep="")
>    brand <- read.table(fyle, header = TRUE, sep = "\t",na.strings = 
>             c("-","POA"), colClasses=c("character",rep("numeric",7)),
>              comment.char = "#")
> }
> 
> I need something like an unquote() function that will allow the "brand" on
> the LHS of the assignment to be treated as an object name instead of a
> character string.
> 
> Murray
> 
> 
> 
> 
> 
> 
> Dr Murray Jorgensen      http://www.stats.waikato.ac.nz/Staff/maj.html
> Department of Statistics, University of Waikato, Hamilton, New Zealand
> Email: maj at waikato.ac.nz                                Fax 7 838 4155
> Phone  +64 7 838 4773 wk    +64 7 849 6486 home    Mobile 021 1395 862
> 
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