R help - Jul 2001 - Interpreting message: Error in names<-.default(*tmp*, value = cols) :

I have an error message that I don't know how to interpret.

The message is:
Error in names<-.default(*tmp*, value = cols) :
        names attribute must be the same length as the vector

I have written a complicated analysis algorithm to examine a large
dataset. The analysis appears to run on small numbers of tokens, say 10.

I suppose my question is: which function(s) might kick out such an error?

Many thanks.

David
S. David White
sdavidwhite at bigfoot.com
Columbus, Ohio

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David White wrote:
> 
> I have an error message that I don't know how to interpret.
> 
> The message is:
> Error in names<-.default(*tmp*, value = cols) :
>         names attribute must be the same length as the vector
> 
> I have written a complicated analysis algorithm to examine a large
> dataset. The analysis appears to run on small numbers of tokens, say 10.
> 
> I suppose my question is: which function(s) might kick out such an error?

For example, when names are assigned to vectors:

 temp <- 1:10
 names(temp) <- "Hello"

Error in "names<-.default"(*tmp*, value = "Hello!") : 
        names attribute must be the same length as the vector


This might happen in very different cases, so you might want to make use
of debug() or traceback().

Uwe Ligges
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