[R] Error: missing value where TRUE/FALSE needed

[Benilton Carvalho]

make "k = 100", note that you're doing fcsPar[k]-fcsPar[k+10]

note fcsPar has length 100...

therefore valueDiff becomes NA.. and the if() statement fails.

b

On Jan 6, 2008, at 1:16 AM, Nicholas Crosbie wrote:

>
>
> Can any explain the following error:
>
> Error in if ((seedCount <= seedNumber) && (valueDiff >
> sup)) { :
>  missing value where TRUE/FALSE needed
>
> which I get upon running this script:
>
> seedNumber <- 10
> seeds <-  array(dim = seedNumber)
> seedCount <- 1
>
> maxValue <- 100
> sup <- maxValue / 2
>
> fcsPar <- array(as.integer(rnorm(100, 50, 10)))
>
> while (seedCount <= seedNumber) {
>  for(k in 1:100) {
>    valueDiff <- abs(fcsPar[k] - fcsPar[k+1])
>      if((seedCount <= seedNumber) && (valueDiff >
> sup)) {    #error
>        seeds[seedCount] <- fcsPar[k]
>        seedCount <- seedCount + 1
>       }
>     }
>  sup <- sup / 2
> }
>
>
> many thanks.
>
>
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