1# PS8.5, for Example 8.6 and the HCCM procedure 2open data8-1 3genr LNSALARY=ln(SALARY) 4genr YRS2 = YEARS*YEARS 5ols LNSALARY const YEARS YRS2 --vcv 6ols LNSALARY const YEARS YRS2 --vcv --jackknife 7