Help using Base SAS procedures

phreg assess

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phreg assess

I am trying to use the assess statement in proc phreg to test for proportionality. When I use the example program provided by SAS, it works and show me the result fast. But when I work only own data, which is much larger than the example dataset, it took very long time (hours) to show me the result. Anybody know what is wrong with it?
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Re: phreg assess

check under "computational resources" in the PHREG documentation. You probably need more memory to get it to run faster.
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