Displaying 1 result from an estimated 1 matches for "evaldf".
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evaldo
2004 May 27
1
Getting the same values of adjusted mean and standard errors as SAS
...hat I am doing is wrong.
#
meanAge <- mean(dd$Age)
meanAgeM <- mean(dd$Age[d$Gender=="M"])
meanAgeF <- mean(dd$Age[d$Gender=="F"])
# determine adjusted means for the males and females at meanAge using
predict
# set up data frame to get predicted values at meanAge
evalDF <- data.frame(Age = meanAge, Gender = c("F","M"),
Group = c("1NC","1NC", "2UCLP", "2UCLP", "3BCLP", "3BCLP",
"4ICP", "4ICP", "5CLPP", "5CLPP"))
mod <-lm(Measuremen...