d SJ3-2 st0038. CDSIMEQ: A program to implement two-stage ... d CDSIMEQ: A program to implement two-stage probit least squares d by Omar M.G. Keshk, Ohio State University d Support: keshk.1@@osu.edu d After installation, type help ^cdsimeq^ f st0038/cdsimeq.ado f st0038/cdsimeq.do f st0038/cdsimeq.dta f st0038/cdsimeq.hlp