data a;
length soc pt 8.;
retain soc 0 pt 0;
set ctddata.ctd_no_27;
if _n_ not in (1,2);
if Ae_trem ne "" then do; /* ””は全て空白でないときを表す*/
if substr(Ae_trem, 1 ,2) = " " then do;
pt = pt + 1 ;
end;
else do;
pt = 0;
soc = soc + 1 ;
end;
end;
output;
run;