[R] Help with unzip error -1

I'm running Rx64 3.01 on Windows 7 and until the other day I could easily unzip zip files with unzip (package utils 3.01). Since yesterday however I get an error. Let's say my zipfile file path is called zfile (I'm omitting the output directory for this example). When I try to unzip it I get the fo

[R] Goodness-of-fit tests for Complex Survey Logistic Regression

a) I've recently come across the global Goodness-of-fit tests for complex survey logistic regression. Has it been implemented in R? Paper http://med.stanford.edu/medicine/ArcherLemeshowHosmer.pdf Implementation in Stata http://www.isr.umich.edu/src/smp/asda/Additional%20Analysis%20Example%20Demo