[R] Calculating mean from wit mice (multiple imputation)
s1327720 at student.rug.nl
Wed Jul 20 12:05:49 CEST 2011
How can I calculate the mean from several imputed data sets with the package
I know you can estimate regression parameters with, for example, lm and
subsequently pool those parameters to get a point estimate using functions
included in mice. But if I want to calculate the mean value of a variable
over my multiple imputed data sets with
fit <- with(data=imp, expr=mean(y)) and
I get the warning:
Error in pool(fit) : Object has no coef() method.
Does anyone know what is happening, and is there another way of calculating
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