Computer Science > EXAM > ISYE 6501XMidterm Quiz 1 - Audit Learners _ Midterm Quiz 1_Answers (All)

ISYE 6501XMidterm Quiz 1 - Audit Learners _ Midterm Quiz 1_Answers

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Question 1 13 points possible (graded)  Keyboard Help Drag each model to a type of question it is commonly used for. For models that have more than one correct answer, choose any one correct an... swer; for models that have no correct answer listed, do not drag them. ARIMA CART Cross validation CUSUM Exponential smoothing GARCH k-means Question 2 0.0/3.0 points (graded) Select all of the following models that are designed for use with time series data: You have used 0 of 1 attempt FEEDBACK  Drag the items onto the image above.  Reset  Show Answer ARIMA  CUSUM  Exponential Smoothing  GARCH  k-nearest-neighbor Answers are displayed within the problem INFORMATION FOR QUESTIONS 3A, 3C FIGURES A AND B SHOW THE TRAINING DATA FOR A CLASSIFICATION PROBLEM, USING TWO PREDICTORS (X AND X ) TO SEPARATE BETWEEN BLACK AND WHITE POINTS. THE DASHED LINES ARE THE CLASSIFIERS. Figure A Figure B Question 3a 0.0/3.0 points (graded) Figure B shows an SVM classiÕcation using a complex nonlinear kernel. (To get this perfect Õt to the training data, it required  Answers are displayed within the problem g g p ( g p g , q Õtting 16 parameter values!) Which of the following is true? You have used 0 of 1 attempt INFORMATION FOR QUESTIONS 3B, 3C Figure B is a very good classiÕer, because it correctly classiÕes all of the training data. Figure B is a very good classiÕer, because the model’s complexity shows that it is a deep analysis. Figure B is a bad classiÕer to use, because it is overÕt. Figure B might or might not be a good classiÕer, because it is overÕt.  [Show More]

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