[R] error message re: max(i), but code and output seen O.K.

[David Scott]

On Wed, 20 May 2009, Kirsten Miles wrote:

> I have a researcher who is consistently get the warning message:
>
> In max(i) : no non-missing arguments to max; returning -Inf
>

You get this message when trying to take the maximum of a vector with no 
elements. I am guessing he is looping through and in some cases getting an 
empty vector.

> x <- numeric(0)
> max(x)
[1] -Inf
Warning message:
In max(x) : no non-missing arguments to max; returning -Inf


David Scott




> Best as I can tell the code is working properly and the output is as
> expected. I would like some help in understanding why he is getting this
> error message and what its implications are.  I have his code.
>
> Sincerely,
> Kirsten Miles
> Support Specialist
> Research Computing Lab
> Charles L. Brown Science and Engineering Library
>
> kdm3d at virginia.edu
>
> 	[[alternative HTML version deleted]]
>
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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.
>

_________________________________________________________________
David Scott	Department of Statistics
 		The University of Auckland, PB 92019
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Graduate Officer, Department of Statistics
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