options crt;   ? creates output for Chapter 4 of TSP User's Guide
input illusdat;
olsq cons c gnp;
plot @res;
normal gnp 72 2608.5;
normal cons 72 1621.9;
smpl 74 85;
read gnp;
2729.3 2695 2826.7
2958.6 3115.2 3192.4
3187.1 3248.8 3166 3277.7 3492 3573.5 ;
read cons;
1674 1711.9 1803.9 1883.3 1961 2004.4
2000.4 2024.2 2050.7 2145.9 2239.9 2312.6 ;
smpl 61 85;
graph gnp cons;
olsq cons c gnp;
ar1 cons c gnp;