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2012 Jan 13
2
Averaging over data sets
...ot imputed.
Such data has many variables (some numeric, other factors), and more than
20000 observations. I do not know how to average them out. Any help?
Below I provide a small example:
Suppose Amelia provided two datasets:
d1 <- data.frame(subject = c("Felipe", "John"), eat1 = 1:2, eat3 = 5:6, trt
= c("t1", "t2"))
d2 <- data.frame(subject = c("Felipe", "John"), eat1 = 3:4, eat3 = 6:7, trt
= c("t1", "t2"))
I tried
(d1 + d2)/2
but I lose my factors. mean() did not work either.
The result I'd like is:...