[R] MASS library rob.cov ellipse

in the newer version of R? Thanks for any help, Dr. Jenifer Larson-Hall Assistant Professor of Linguistics University of North Texas (940)369-8950 __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting

[R] Comparing models in multiple regression and hierarchical linear regression

. I did search R-help archives and didn’t find quite anything that would just plain tell me how to do hierarchical linear regression. Thanks in advance for any help. Dr. Jenifer Larson-Hall Assistant Professor of Linguistics University of North Texas

[R] Counting observations split by a factor when there are NAs in the data

. Jenifer Dr. Jenifer Larson-Hall Assistant Professor of Linguistics University of North Texas (940)369-8950 __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org