
Currently I have a for loop executing functions and at the end I get a 
message like:

There were 50 or more warnings (use warnings() to see the first 50)

If I do what it says and type warnings(), I get 50 messages like:

2: In !is.na(x) & !is.na(rowSums(xreg)) :
   longer object length is not a multiple of shorter object length

I am not sure what function these errors are originating from. I don't 
think it is from any of the 'R' script that I wrote. I would like to see 
which function is being called when this error is thrown and which 
called that . . . and so on.

I have the same problem with error messages. An error is thrown but I 
don't have a call stack to help trace down the problem. Is there some 
function or technique that I could use to help get a call stack?

Thank you.

Kevin

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