Created
May 16, 2013 03:41
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| > t<-table(prec$usercat,prec$relevant.to.aca.study.Why.enroll) | |
| > f<-as.data.frame(unclass((prop.table(t,1)))) | |
| > sum(f$Agree) | |
| [1] 1.744855 | |
| > sum(f$Disagree) | |
| [1] 0.6086854 |
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