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data_reshape
2011 May 29
1
reshape with function(x,y)?
...","B","B"),rate=c(12,14,17,10,8,5),sample=c(100,80,60,50,40,45));
data_melted<-melt.data.frame(data,id.vars=c("ids"),measure.vars=c("rate","sample"));
#the line below just gives me the var, can I do weighted var weighted by the
sample size?
data_reshape<-cast(data_melted,ids~variable,function(x,y) wt.var(x,y));
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