Re: [R] survreg vs. aftreg (eha) - the relationship between fitted coefficients?

ates var(X1B) var(X2Q) var(X1B:X2Q) The covariance of the covariates cov(X1B,X2Q) cov(X1B:X2Q,X1B) cov(X1B:X2Q,X2Q) The covariance of the covariates with the shape and scale parameters cov(log(shape),X1B) cov(log(scale),X1B) .. and similary with X2Q and X1B:X2Q I look forward to hearing from you o

[R] Non-normal data issues in PhD software engineering experiment

* Must have one observation per cell. * ERROR * Completion of computation impossible. 5) I have looked briefly at the non-parametric approaches to regression - there seems to be many (http://socserv.mcmaster.ca/jfox/Courses/Oxford-2005/R-nonparametric-regression.html) paths that can be taken. I need