search for: zelei

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2005 Dec 14
1
CRAN task view: Multivariate
Hello, I've assembled a Multivariate ctv (with a lot of help from Achim Zeleis, who has now posted the view on CRAN). I'd be grateful for comments regarding missing packages / functions. Opinions on the organisation of the view would also be appreciated, as well as having any errors pointed out. I've adopted a rather broad and vague definition of "multivariat...
2006 Feb 07
0
New car package with new linear.hypothesis function
Dear R-packages list members, Last month, Peter Muhlberger posted a message to the r-help list that suggested, among other things, a desire for a more convenient method of performing Wald tests for statistical models fit in R. Thanks largely to Achim Zeleis's help, the linear.hypothesis function in the car package has been reworked so that (1) it is applicable to any model object that responds to the generic coef() and vcov() functions (along with specific methods for lm and glm objects); and (2) permits symbolic specification of hypotheses as li...
2006 Feb 07
0
New car package with new linear.hypothesis function
Dear R-packages list members, Last month, Peter Muhlberger posted a message to the r-help list that suggested, among other things, a desire for a more convenient method of performing Wald tests for statistical models fit in R. Thanks largely to Achim Zeleis's help, the linear.hypothesis function in the car package has been reworked so that (1) it is applicable to any model object that responds to the generic coef() and vcov() functions (along with specific methods for lm and glm objects); and (2) permits symbolic specification of hypotheses as li...