Try this:
for (i in 1:dim(ALLRESULTS)[1]) {
ALLRESULTS[i,23] <- length(ALLRESULTS[i,][ALLRESULTS[i,16:22] <= 0.05])
}
On Wed, Jun 10, 2009 at 12:17 AM, Amit Patel<amitrh...@yahoo.co.uk> wrote:
>
> Hi
> I am trying to create a column in a data frame which gives a sigificane score
> from 0-7. It should read values from 7 different colums and add 1 to the
> counter if the value is <=0.05. I get an error message saying
>
> Error in if (ALLRESULTS[i, 16] <= 0.05) significance_count =
> significance_count + :
> missing value where TRUE/FALSE needed
>
> The script is included below
>
> it works if i convert the NA values to zero but this is not appropriate as it
> includes the zero as significant.
>
> ANY SUGGESTIONS
>
>
>
> #SCRIPT STARTS
> for (i in 1:length(ALLRESULTS[,1])) {
> significance_count = 0
>
> if (ALLRESULTS[i,16] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,17] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,18] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,19] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,20] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,21] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
> if (ALLRESULTS[i,22] <= 0.05 ) significance_count = significance_count +1
> else significance_count = significance_count
>
> ALLRESULTS[i,23] <- significance_count}
>
>
>
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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