activity="create program"
cat > $TEMPDIR/lag.stat <<EOF
-data list /w 1.
+data list /W 1.
begin data.
1
2
5
end data.
-compute x=lag(w,1).
-compute y=lag(x).
-compute z=lag(w,2).
+compute X=lag(w,1).
+compute Y=lag(x).
+compute Z=lag(w,2).
list.
EOF
if [ $? -ne 0 ] ; then no_result ; fi