[R] Help. Import data

[Prof Brian Ripley]

On Fri, 4 Jul 2003, Fredrik Karlsson wrote:

> Hi Silika,
> 
> This is what I would do:
> 
> >df <- read.spss("datafile", to.data.frame=T)
> >for(i in c("age","income")){ #Add more if you like
> + df[[i]] <- as.numeric(df[[i]])
> +}

Please don't: that does not turn a factor into its numerical equivalent.
See the FAQ question I pointed Silika to (Q7.12 in the current version).  
It ends

   In any case, do not call `as.numeric()' or their likes directly.


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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