[R] converting character to numeric

[Steven Kennedy]

You need:
mydata$apples<-as.numeric(mydata$apples)


On Wed, Jun 22, 2011 at 6:38 AM, Alina Sheyman <alinashe at gmail.com> wrote:
> I'm trying to convert data from character to numeric.
>
>  I've imported data as a csv file, I'm assuming that the import is a
> database - are all the columns in  a database considered "vectors"  and that
> they can be  operated on individually
> Therefore I've tried the following
> mydata <- as.numeric(mydata$apples)
>
> when i then look at mydata again  the named column is still in "character"
> format
>  if i do mydata2 <- as.numeric(mydata$apples)
> the new object mydata2 is empty.
>
> Am i missing something about the structure of R?
>
> alina
>
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