Displaying 1 result from an estimated 1 matches for "school2".
Did you mean:
school
2004 Jan 07
2
problem assigning an array to a variable in a data frame
Dear r-devel list members,
Dirk Eddelbuettel brought the following problem to my attention. The code
is abstracted from the appendix on mixed models from my R and S-PLUS Companion:
> set.seed(12345) # for reproducibility
> library(nlme)
Loading required package: lattice
> data(MathAchieve)
> data(MathAchSchool)
> attach(MathAchieve)
> mses <- tapply(SES, School,