clear all
insheet using "spmat.txt", delimiter(" ")
list, table clean noheader
save SPWMat.dta, replace
outsheet using SPWMat.txt, delimiter(" ") nonames nolabel replace
drop in 1
spmat import SPWMat using SPWMat.txt, replace normalize(row)
spmat export SPWMat using SPWMat.txt, replace
spmat save SPWMat using SPWMat.spmat, replace