7. vPut vthe vmodel vinto vproduction vand vreevaluate vas vneeded.
Training va vPredictive vModel v- vAnswer v- v v vUsing vexisting vdata vto vcreate vpredictive vmodels vthat
vhelp vthem vanticipate vbehaviors.
Training vData v- vAnswer v- v v vData vthat vis vused vto vtrain va vpredictive vmodel vand vthat vtherefore
vmust vhave vknown vvalues vfor vthe vtarget vvariable vof vthe vmodel.
Overfitting v- vAnswer v- v v vOccurs vwhen vthe vmodel vis vso vclosely vtailored vto vthe vtraining vdata vthat
vit vis vnot veffective von vother, vnew vdata.
Holdout vData v- vAnswer v- v v vExisting vdata vwith va vknown vtarget vvariable vthat vis vheld vback vand
vnot vused vas vpart vof vthe vtraining vdata. vThe vdata vis vused vto vtest vthe vmodel vto vmake vsure vthat
vit vperforms vwell von vknown vdata.
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