[R] Help with an error message

From: <naw3_at_duke.edu>
Date: Mon, 14 Jul 2008 11:49:24 -0400


Hi,

I am writing a very long program that deals with multiple large databases which often have missing data cells and other quirks. I've been testing it on small samples of the data so it doesn't take too long, but when I tried it using the real files, it ran for about a minute and then gave me this error message:

Error in matrix(unlist(value, recursive = FALSE, use.names = FALSE), nrow = nr, :
  length of 'dimnames' [2] not equal to array extent

I'm very new at R/computer science, so I have no clue what it means and I would greatly appreciate any info about why this is coming up and how to fix it. Is there a way to get R to tell me at which line it is encountering the problem? Also, what kinds of executions in my code could cause this problem? What should I be looking for in order to fix this?

Thanks,
-Nina



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