Hi again, I studied with influence measures of logistic regression of some data by using R and SPSS and I get different values of DFFITS and Cook's Distance from SPSS and R outpus, but the coefficients, model formulas and leverage values are the same. Can anyone help me about ; Which is the true or Why this difference occurs ?
Any help will be appricated. Thanks. -- View this message in context: http://r.789695.n4.nabble.com/influence-measures-tp4392320p4399941.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

