d STB-48 gr35. Diagnostic plots for Singh-Maddala and Dagum distrib. d STB insert by Nicholas J. Cox, University of Durham, UK. d Support: n.j.cox@@durham.ac.uk d After installation, see help ^pdagum^, help ^psm^, help ^qdagum^, and d help ^qsm^. f gr35/pdagum.ado f gr35/pdagum.hlp f gr35/pdagum1.gph f gr35/pqgphs.gph f gr35/psm.ado f gr35/psm.hlp f gr35/psm1.gph f gr35/qdagum.ado f gr35/qdagum.hlp f gr35/qdagum1.gph f gr35/qsm.ado f gr35/qsm.hlp f gr35/qsm1.gph