R help - Oct 2010 - Error message in as.brob Usage

I am getting the following error message while using the as.brob function in
some computations:

Error in out.x[ss] <- pmax(x1[ss], x2[ss]) + log1p(+exp(-abs(x1[ss] -  : 
  NAs are not allowed in subscripted assignments

Is there any obvious mistake I am making here that can resolve the above
error message?

Thanks for your help.
Chow
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On Thu, Oct 7, 2010 at 11:01 PM, HC <hcatbr at yahoo.co.in>
wrote:
>
> I am getting the following error message while using the as.brob function
in
> some computations:
>
> Error in out.x[ss] <- pmax(x1[ss], x2[ss]) + log1p(+exp(-abs(x1[ss] - ?:
> ?NAs are not allowed in subscripted assignments
>
> Is there any obvious mistake I am making here that can resolve the above
> error message?
Yes, 'ss' contains at least 1 NA, which is not allowed.  Prior to
using ss to select elements of variables to be assigned, ensure there
are no NAs.  One way would be with is.na().  For instance:
> ss <- c(1, 2, NA)
> ss[!is.na(ss)]
[1] 1 2

so you could use replace 'ss' with 'ss[!is.na(ss)]'.

Josh
>
> Thanks for your help.
> Chow
> --
> View this message in context:
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>
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>


-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/

Thank you very much Josh. Yes, I notice that there is indeed some NAs going
into the as.brob function that I was using. I think I have to resolve that
before invoking the as.brob function.

Thanks again.
Chow
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