Fill in the blanks below with the coefficients that you estimate from the data. Predicted number = x period + x Q1 + x Q2 + x Q3
Fill in the blanks below with the coefficients that you estimate from the data. Predicted number = x period + x Q1 + x Q2 + x Q3
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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Question
29 see picture

Transcribed Image Text:The number of properties newly listed with a real estate agency in each quarter over
the last four years is given below.
quarter year 1 year 2 year 3 year 4
1
78
86
94
102
2
92
100
108
116
3.
118
126
134
142
4
100
108
116
124
Use multiple regression with dummy variables to develop an additive decomposition
forecasting model for these data.
Model the trend component using the time periods, numbered 1-16. Model the
seasonality using dummy variables for quarters 1-3 (use quarter 4 as the baseline).
Hints: Copy-and-paste data into Excel. Re-format the data into columns. Create a
period variable and dummy variables for quarter 1, quarter 2, and quarter 3.
Fill in the blanks below with the coefficients that you estimate from the data.
Predicted number =
x period +
x Q1 +
x Q2 +
x Q3
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