?? initial values ? alpha 0.5 ? blah 1 # testing global integers ? x 1:21 1:4 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 1 0 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 1 1 ? northerness 10:10 -1 ? northerness 17:18 6 7 ? obs 7:7 2:2 1 ? obs 11:11 3:3 1 ? obs 15:15 1:4 0 1 0 1 ? obs 19:19 3:3 0