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lis
‎04-06-2017
  • 7 Posts
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Re: PROC GENMOD with cluster and modified poisson -what working correl...

by Calcite | Level 5 in Statistical Procedures
‎04-10-2017 09:27 PM
‎04-10-2017 09:27 PM
Thank you very much for the information. This is very useful. ##- Please type your reply above this line. Simple formatting, no attachments. -## ... View more

PROC GENMOD with cluster and modified poisson -what working correlatio...

by Calcite | Level 5 in Statistical Procedures
‎04-06-2017 09:47 PM
‎04-06-2017 09:47 PM
  I am working on a cross-sectional study and I will be using the modified poisson regression analysis. My data has a cluster variable. Thus, I am running the code showed below. However, I do not know what type of working correlation should I use.  Independent is the default but not sure how to decide this.  Any help would be appreciate it.  Thanks.   proc genmod data=data class cluster model y = x1 x2/dist=binomial link=log repeated subject=cluster run; ... View more

Need help with creating a new dataset and avoid selecting missing and ...

by Calcite | Level 5 in SAS Programming
‎02-12-2013 11:26 PM
‎02-12-2013 11:26 PM
Hello, I just start learning SAS and I need to create a temporary dataset (walkbike6) selecting individuals from the variable paq635 =1 (people that report walking/biking) but do not bring the missing of this variable neither the missing or "do not know (99, 7777, 9999, etc) from the other variables in the dataset.  This is my code and it seems to work but I was ask to use WHERE and IF statement and I cannot figure it out how to do it. I would really appreciate some help. Lisbeth DATA WALKBIKE6;     SET NHANES.PAQ_FF; where paq635 =1 AND paq635 not= .;             IF PAQ605 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;                IF PAQ620 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF PAQ650 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF PAQ665 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;             IF PAQ635 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF PAQ610 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF PAQ625 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF PAQ655 IN('2' '7' '9' '77' '99' '7777' '9999' '.')  THEN DELETE;              IF  PAQ670 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;              IF  PAQ640 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;              IF  PAD615 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;              IF  PAD630 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;              IF  PAD660 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;              IF  PAD675 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE;               IF  PAD645 IN ('2' '7' '9' '77' '99' '7777' '9999' '.') THEN DELETE; RUN; ... View more
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