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murugan
‎09-01-2015
  • 4 Posts
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Re: Random Sample of a non-event

by Calcite | Level 5 in SAS Data Management
‎08-15-2014 03:09 PM
‎08-15-2014 03:09 PM
Thank you for all of your help! ... View more

Re: Random Sample of a non-event

by Calcite | Level 5 in SAS Data Management
‎08-15-2014 03:08 PM
‎08-15-2014 03:08 PM
When I used the code that you suggested, I got: data set has 0 observations and 1 variable. I am trying to make a dataset containing an equal number of event and non-event cases. ... View more

Re: Random Sample of a non-event

by Calcite | Level 5 in SAS Data Management
‎08-15-2014 01:12 PM
‎08-15-2014 01:12 PM
This code is not working. I keep getting an error message that says that my use of the where statement is incorrect. ... View more

Random Sample of a non-event

by Calcite | Level 5 in SAS Data Management
‎08-13-2014 04:35 PM
‎08-13-2014 04:35 PM
Hi All: I am working on a logistic regression-- binary outcome. The 1 (or the event) has a sample size of 600, while the 0 (non-event) has a sample size of 8000. How do I extract a random sample of 600 of the non-event? It seems like proc suveyselect only lets me take a random sample of all participants, not just those who fall in the non-event. Thanks so much! ... View more
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