TABLE A 2 



BEST FOUR-VARIABLE PREDICTOR EQUATIONS' 

 (Variables X3 and X5 not used) 





Sequential 







Multiregression Method 



Screening Procedure 



Predictand 



Predictors %-SS 



Predictors %-SS 



(Y) 



(Xs) Reduction 



(Xs) Reduction 





1,2,4,7 52.0 



1,2,4,7 52.0 



V 



(Lag 1) 



(Lag 1) 



s 



1,9,11,12 94.1 



1,9,11,12 95.2 



s 



(Lag 5) 



(Lags 5,5,5,2) 



(M ) 



1,2,7,12 90.3 



1,10,11,12 95.0 



z s 



(Lag 4) 



(Lags 1,2,1,4) 



^f 



1,6,9,10 70.62 



1,2,10,12 75.1 



(Lag 1) 



(Lags 1,6,1,1) 



^f 



1,2,7,14 42.5 



1,7,9,10 43.0, 



(Lag 2) 



(lags 4,2,1,6) 



A-7 



