[R] Calculating Leverage or studentized residuals with gls

Dear colleagues, hi. I am using the function gls in R-package nlme and I want to compute either the leverage values or the studentized residuals. Can any body tell me how can do that? With regards ___

[R] Updating from an Old to a New version of R

Hi to everybody is there any way to update from an older version of R to a newer one without having to reload all the packages I've used up to that time?Many regards to all of you ___ ΧρησιμοποιείÏ[[elided Yahoo

[R] Row mean scores differ

Suppose that we have o 2-D contingency table where the row variable is nominal and the column one is ordinal. In SAS it is possible to compute the statistic named as row mean scores differ. How can we programmed it in R? (See also Aggresti (2002), Categorical Data Analysis, p. 302) With regards

[R] Row mean scores differ association

Suppose that we have o 2-D contingency table where the row variable is nominal and the column one is ordinal. In SAS it is possible to compute the statistic named as row mean scores differ. How can we programmed it in R? (See also Aggresti (2002), Categorical Data Analysis, p. 302) With regards

[R] R code for eta

I would greatly appreciate if anybody can tell me if an R code is available for computing the eta measure of association in contingency tables. With regards - [[alternative HTML version deleted]] __

[R] Somer's Ordinal Association Measures

Does anybody know how one can implement the Somer's and Goodman -Kruskal ordinal measures of association in R? With regards - [[alternative HTML version deleted]] __ R-help@r-project.org mailing list

[R] Association Measures

Does anybody know if there is an implementation of Goodman-Kruskal lambda measures of association in R? Also, how we can analyze ordered contingency tables and compute the relative measures of associations in R? Thank in advance -

[R] Problem With SciViews-R

After installing the SciViews-R Console I am getting the following error message when I try to run any of the commands. Error in file.info(fn - c(...)) : invalid filename argument See also the attached file Doc1. -

[R] Studentized maximum distribution

Has anyone written a function to find the quantiles for the studentized maximum distribution, and the studentized maximum modulus distribution? Thanks for any help. Kostas - [[alternative HTML version deleted]]