d STB-57 sts15. Tests for stationarity of a time series d STB insert by Christopher F. Baum, Boston College d Support: baum@@bc.edu d AFter installation, see help ^dfgls^ or help ^kpss^ f sts15/dfgls.ado f sts15/dfgls.hlp f sts15/kpss.ado f sts15/kpss.hlp