d STB-7 sed7. Resistant smoothing using Stata. d STB insert by d Isaias H. Salgado-Ugarte, Biologia, E.N.E.P. Zaragoza, d U.N.A.M. Mexico City, Mexico Fax 011-525-744-1217 d Jaime Curts Garcia, Dir. Gral. de Planeacion, Evaluacion y d Proyectos Academicos, U.N.A.M., Mexico City, Mexico. d Support: None d After installation, see help ^sm4235eh^. f sed7/sm4253eh.ado f sed7/sm4253eh.hlp f sed7/fishdata.dta