[R] converting character to numeric

Denis Kazakiewicz d.kazakiewicz at gmail.com
Tue Jun 21 22:42:28 CEST 2011


Hi
Sorry, can't answer your question
However, I had exactly the same problem and just came back to my 
spreadsheet redactor and changed the format of cells
Denis
> 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
>
> 	[[alternative HTML version deleted]]
>
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