Copyright © 2012 Pearson Education, Inc. All rights reserved. Chapter 10 Introduction to Time Series Modeling and Forecasting.

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Copyright © 2012 Pearson Education, Inc. All rights reserved.

Chapter 10

Introduction to Time Series Modeling and Forecasting

Copyright © 2012 Pearson Education, Inc. All rights reserved.

Section 10.1

What Is a Time Series

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Section 10.2

Time Series Components

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Figure 10.1 The components of a time series

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Section 10.3

Forecasting Using Smoothing Techniques

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Figure 10.2 MINITAB plot of quarterly power loads

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Figure 10.3 MINITAB plot of quarterly power loads and 4-point moving average

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Figure 10.4 MINITAB printout of exponentially smoothed quarterly power loads

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Figure 10.5 MINITAB plot of exponentially smoothed quarterly power loads

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Copyright © 2012 Pearson Education, Inc. All rights reserved.

Section 10.4

Forecasting: The Regression Approach

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Figure 10.6 SAS scatterplot of sales data

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Figure 10.7 SAS printout for straight-line model of yearly sales revenue

continued on next slide

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Figure 10.7 SAS printout for straight-line model of yearly sales revenue (cont’d)

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Figure 10.8 SAS printout for quarterly power load model

continued on next slide

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Figure 10.8 SAS printout for quarterly power load model (cont’d)

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Section 10.5

Autocorrelation and Autoregressive

Error Models

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Figure 10.9a Autocorrelation functions for several first-order auto regressive error models: Rt = 1Rt-1 + t

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Figure 10.9b Autocorrelation functions for several first-order auto regressive error models: Rt = 1Rt-1 + t

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Figure 10.9c Autocorrelation functions for several first-order auto regressive error models: Rt = 1Rt-1 + t

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Section 10.6

Other Models for Autocorrelated Errors

(Optional)

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Figure 10.10 Autocorrelations for a first-order moving average model: Rt = t + t-1

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Figure 10.11 Autocorrelations for a fourth-order moving average model

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Section 10.7

Constructing Time Series Models

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Figure 10.12 A seasonal time series model

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Figure 10.13 Seasonal model for quarterly data using dummy variables

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Section 10.8

Fitting Time Series Models with Autoregressive Errors

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Figure 10.14 SAS printout for model of annual sales revenue

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Figure 10.15 MINITAB residual plot annual sales model

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Figure 10.16 SAS printout for annual sales model with autoregressive errors

continued on next slide

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Figure 10.16 SAS printout for annual sales model with autoregressive errors (cont’d)

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Copyright © 2012 Pearson Education, Inc. All rights reserved.

Section 10.9

Forecasting with Time Series Autoregressive Models

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Figure 10.17 SAS printout of forecasts of annual sales revenue using straight-line model with autoregressive errors

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Copyright © 2012 Pearson Education, Inc. All rights reserved.

Section 10.10

Seasonal Time Series Models: An Example

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Figure 10.18 Water usage time series

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Figure 10.19 SAS printout for time series model of water usage

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Figure 10.20 Forecasts of water usage

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Section 10.11

Forecasting Using Lagged Values of the Dependent Variable (Optional)

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