SAMPLE 1 17 READ (THEIL.txt) YEAR CONSUME INCOME PRICE OLS CONSUME PRICE / RSTAT DWPVALUE * Now include the variable INCOME in the regression equation OLS CONSUME INCOME PRICE / RSTAT DWPVALUE * Compute a p-value for testing for negative autocorrelation GEN1 PVAL=1-$CDF PRINT PVAL STOP