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Class Activity                                                              Computational Thinking



                                                          Activity 1                               andbook
                  onvert  the  code  for  your  on going  pro ect  over  from  train test  split  to  cross validation.   ake  sure  to
                 remove all code that divides your dataset into training and testing datasets.  eaving code you don't need
                 any more  ould be sloppy.
                                                                                            Computational Thinking

                                                          Activity 2                               andbook
                 Add or remove a predictor from your models.  ee the cross validation score using both sets of predictors,
                 and see ho  you can compare the scores.











































        Answers

        Exercise (Section A)
        A.   . b     . d     . a     . b     . c     . d     . b     . c     . d      . a     . b     . b
              . c     . b     . b     . a     . a     . d
        B.   .  rain  est  plit     . predictive   . training set   .  ean  quared  rror     )   . loss function
             . Data  odelling     .  redictive Analytics
        C.   .  alse         .  rue          .  alse         .  rue          .  alse
             .  rue          .  alse
        D.   . b     . e     . a     . c     . d





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