SAMPLE 1 24 READ (HWI.txt) DATE HWI URATE * Transform to logarithms GENR LHWI=LOG(HWI) GENR LURATE=LOG(URATE) * OLS estimation - test for autocorrelated errors OLS LHWI LURATE / RSTAT DWPVALUE LOGLOG * * Cochrane-Orcutt iterative estimation AUTO LHWI LURATE / RSTAT LOGLOG STOP