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Do you observe a trend? If so, what type of trend do you see?   B2. Fit Trend Lines Create a Linear trendline – What was R2? Create an Exponential trend - What was R2? Create a Polynomial (order 5) - What was R2?

Do you observe a trend? If so, what type of trend do you see?   B2. Fit Trend Lines Create a Linear trendline – What was R2? Create an Exponential trend - What was R2? Create a Polynomial (order 5) - What was R2?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Do you observe a trend?

If so, what type of trend do you see?

 

B2. Fit Trend Lines

  1. Create a Linear trendline – What was R2?
  2. Create an Exponential trend - What was R2?
  3. Create a Polynomial (order 5) - What was R2?

Which model seems to be more appropriate? Explain?

B3 Calculate (predict) t = 11 for each trend method.

  1. Create a Linear prediction for Federal Debt-GDP =
  2. Create an Exponential prediction for Federal Debt-GDP =
  3. Create a Polynomial (order 5) prediction for Federal Debt-GDP =
A В E F G H Year Federal Debt - GDP Trend line R2 2011 1 96.018 Linear Exponential Polynomial - 5 2012 100.061 2013 3 100.810 2014 4 102.818 2015 5 100.246 140.000 2016 6 105.337 y = 2.2721x +92.614 „R?-0:6093 2017 7 104.806 120.000 2018 8. 105.632 100.000 2019 9 107.047 80.000 2020 10 128.332 60.000 40.000 20.000 0.000 4 8 10 12 Federal Debt - GDP
Transcribed Image Text:A В E F G H Year Federal Debt - GDP Trend line R2 2011 1 96.018 Linear Exponential Polynomial - 5 2012 100.061 2013 3 100.810 2014 4 102.818 2015 5 100.246 140.000 2016 6 105.337 y = 2.2721x +92.614 „R?-0:6093 2017 7 104.806 120.000 2018 8. 105.632 100.000 2019 9 107.047 80.000 2020 10 128.332 60.000 40.000 20.000 0.000 4 8 10 12 Federal Debt - GDP
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