Disciplines
Biostatistics
Suggested Citation
Shults, Justine; Ratcliffe, Sarah J.; and Leonard, Mary, "Improved generalized estimating equation analysis via xtqls for implementation of quasi-least squares in Stata" (August 2006). UPenn Biostatistics Working Papers. Working Paper 13.
https://biostats.bepress.com/upennbiostat/art13