For each of the questions below, choose the correct answer(s) and provide justification in terms of why the other answer(s) are incorrect. Q2A. Which of the following are possible consequences of overfitting an ARIMA model? i. The model may have high bias. ii. The model may have high out-of-sample variance. iii. The model may have poor predictive performance. iv. All of the above
For each of the questions below, choose the correct answer(s) and provide justification in terms of why the other answer(s) are incorrect. Q2A. Which of the following are possible consequences of overfitting an ARIMA model? i. The model may have high bias. ii. The model may have high out-of-sample variance. iii. The model may have poor predictive performance. iv. All of the above
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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For each of the questions below, choose the correct answer(s) and provide
justification in terms of why the other answer(s) are incorrect.
Q2A. Which of the following are possible consequences of overfitting an ARIMA
model?
i. The model may have high bias.
ii. The model may have high out-of-sample variance.
iii. The model may have poor predictive performance.
iv. All of the above
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