d STB-61 dm91.  Patterns of missing values
d STB insert by Jeroen Weesie, Utrecht University, Netherlands
d Support:  J.Weesie@@fss.uu.nl
d After installation, see help ^mvpatterns^

f dm91/mvpatterns.ado 
f dm91/mvpatterns.do 
f dm91/mvpatterns.hlp 
f dm91/qsortidx.ado