search for: povproblem

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2012 Dec 08
1
imputation in mice
...h this data, but it will not calculate the propensity scores, regardless of which method I have tried. I have tried the following methods: 1. Optimal propensity score matching, using the MatchIt library: m.out<-matchit(assignment~totalexp + yrschool+new+cert+age+STratio + percminority+urbanicity+povproblem+numthreats+numbattack+weight, data = data, distance="logit", method = "optimal", ratio = 1) 2. Nearest neighbor propensity score matching, using the MatchIt library: mout<-matchit(assignment~totalexp + yrschool+new+cert+age+STratio+percminority+urbanicity+povproblem+numthreat...