On 22-03-2013, at 12:34, Sahana Srinivasan <sahanasrinivasan...@gmail.com>
wrote:
> Hi everyone,
> I am trying to use the values from every cell of the data frame in a
> further calculation.
> This is the code that I am using to catch every element of the data-frame.
>
> while (a<=10)
> {
> while (b<=10)
> {
> n<-as.numeric(df[a,b)];
The )] should be ]).
> ...;
> }
> }
>
> The problem is that when I print out 'n' I get the following errors :
> "NULL" (if printed without as.numeric), and "numeric(0)" if printed with
> the as.numeric.
>
> Again, if I use the same command without the loop, it gives the correct
> answer.
>
> Would be grateful for your inputs and ideas on this matter. Thanks in
> advance,
Data?
Reproducible example?
Without the contents of your dataframe no sensible answer can be given.
E.g. use dput(head(df))
Berend
> Sahana.
>
> [[alternative HTML version deleted]]
>
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