d13 - EXAMPLE D13 SAS Program data evap; input wtloss time...

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EXAMPLE D13 SAS Program data evap; input wtloss time humid; time=time- 5.5 ; humid=humid- .3 ; humidsq=humid*humid; timehumid=time*humid; timehumidsq=time*humidsq; datalines ; 4.3 4 .2 5.6 5 .2 6.4 6 .2 8.0 7 .2 4.0 4 .3 5.2 5 .3 6.6 6 .3 7.5 7 .3 3.2 4 .4 4.0 5 .4 5.6 6 .4 6.4 7 .4 ; run ; proc reg ; model wtloss= time humid humidsq timehumid timehumidsq/ vif ; model wtloss= time humid humidsq; title 'Regressiom Models with and without Interaction Terms' ; run ;
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3 data evap; 4 input wtloss time humid; 5 time=time-5.5; 6 humid=humid-.3; 7 humidsq=humid*humid; 8 timehumid=time*humid; 9 timehumidsq=time*humidsq; 10 datalines; NOTE: The data set WORK.EVAP has 12 observations and 6 variables. NOTE: DATA statement used (Total process time): real time 0.09 seconds cpu time 0.01 seconds 23 ; 24 run; 25 26 proc reg; 27 model wtloss= time humid humidsq timehumid timehumidsq/vif; 28 model wtloss= time humid humidsq; 29 title 'Regressiom Models with and without Interaction Terms'; 30 run;
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d13 - EXAMPLE D13 SAS Program data evap; input wtloss time...

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