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phreg

Posted 06-19-2008 02:55 PM (817 views)
I am using the phreg procedure to analyze some data, and the output shows that the number of obeservations used is less than the number of observations read. For some reason it is not using some of the observations. Any ideas why it might be doing this?
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  • ‎06-19-2008 02:55 PM
  • 818 views
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