[R] Writing to a file

[Liaw, Andy]

Would the following do?

x <- 1000
write.table(Info[Info[,4] > x, c(1, 4)], file="/tmp/CT.dat")

Andy

> From: Melanie Vida
> 
> Here is a simple question. Is there a quicker way to write to a file 
> several rows of data at a time rather than one line at a 
> time? How can 
> the code below be optimized to write several rows at a time to a file 
> rather than one line at a time. See my slow method of 
> write.table below:
> 
> ---------------------------
> x<-1000
> for( i in 1:385420)
>     (
>     if(Info[i,4] > x)
>        write.table (cbind(Info[i,1], Info[i,4], file="/tmp/CT.dat", 
> append=TRUE, row.names=FALSE, col.names=FALSE)
> 
> Thanks,
> 
> -Melanie
> 
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