log using soreg, replace use nausea, clear * @begin{ex1} soreg nausea treat * @end{ex1} use backpain, clear * @begin{ex2} soreg pain x1 x2 x3 * @end{ex2} use pneum, clear * @begin{ex3} constraint define 1 phi11 = 0 constraint define 2 phi21 = 1 soreg pneum lyears, c(1 2) * @end{ex3} use nausea, clear * @begin{ex4} constraint define 1 phi11 = phi21 constraint define 2 phi11 = phi31 constraint define 3 phi41 = phi51 constraint define 4 phi41 = phi61 constraint define 5 phi11 = 1 constraint define 6 phi61 = 0 * @end{ex4} * @begin{ex5} soreg nausea treat, c(1/6) * @end{ex5} log close