Question 7 The following plots have been obtained for a time series. a) Suggest an appropriate ARIMA model based on the below plots. 120- 90- 60- 30- act 1980 Jan 0.2- 0.1% 0.0 -0.14 1990 Jan lag (1M) 2000 Jan Month pact 0.2- 17.4 0.1- 0.0 -0.1 2010 Jan m lag (1M) .model sigma2 log_lik AIC AICe BIC ar roots ## ## 1 arima 011 ## 2 arima110 ## 3 auto b) The following ARIMA output has been obtained from R. Based on this output, explain which model would you recommend for forecasting? 2020 Jan ma_roots 17.1 -1393. 2787. 2787. 2806. 17.1 -1399. 2780. 2780. 2815. -1392. 2788. 2788. 2807. c) If your selected model in part b) above has a p-value of 0.900 in the Ljung-Box test, would you recommend using this model? Explain why or why not.
Question 7 The following plots have been obtained for a time series. a) Suggest an appropriate ARIMA model based on the below plots. 120- 90- 60- 30- act 1980 Jan 0.2- 0.1% 0.0 -0.14 1990 Jan lag (1M) 2000 Jan Month pact 0.2- 17.4 0.1- 0.0 -0.1 2010 Jan m lag (1M) .model sigma2 log_lik AIC AICe BIC ar roots ## ## 1 arima 011 ## 2 arima110 ## 3 auto b) The following ARIMA output has been obtained from R. Based on this output, explain which model would you recommend for forecasting? 2020 Jan ma_roots 17.1 -1393. 2787. 2787. 2806. 17.1 -1399. 2780. 2780. 2815. -1392. 2788. 2788. 2807. c) If your selected model in part b) above has a p-value of 0.900 in the Ljung-Box test, would you recommend using this model? Explain why or why not.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 2 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman