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bug in multinomial GMPMs [ Reply ] By: Dale Barr on 2009-08-31 08:45

[forum:1868]

When you are fitting a multinomial GMPM, and press the relevant key command to stop the fitting (e.g., Ctrl-C), R seems to become unresponsive to user input. WORKAROUND: a call to "sink(NULL)" (or two) after breaking restores the output to the command terminal The reason for this behavior is that within the fitting subroutine, which calls the R function "multinom" from package nnet, the output of nnet is redirected to a file called ".multinom.txt" using the sink() function. This was to avoid cluttering up the display. In each run, before the call to multinom(), a call is made to the sink() function. If the user breaks while the multinom function is running, then the "unsink" command never completes, and so output continues to be re-directed to the file.