Production and Operations Analysis, Seventh Edition
Production and Operations Analysis, Seventh Edition
7th Edition
ISBN: 9781478623069
Author: Steven Nahmias, Tava Lennon Olsen
Publisher: Waveland Press, Inc.
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Chapter 2.10, Problem 42P

a)

Summary Introduction

To determine: The resulted model using backshift notation with backshift operator B , considering ARIMA (2, 1, 1)process.

Introduction: ARIMA is based on exploiting the autocorrelation structure of a time series. Backshift operator  B  is a helpful notational tool when operating with lags in the time series used to create distinctions. 

b)

Summary Introduction

To determine: The resulted model using backshift notation with backshift operator V¯ , considering ARIMA process.

Introduction: ARIMA is based on exploiting the autocorrelation structure of a time series. Backshift operator is specifically a helpful notational tool in case of combining differences.

(c)

Summary Introduction

To determine: The resulted model using no backshift notation, considering ARIMA process.

Introduction: ARIMA is based on exploiting the autocorrelation structure of a time series.The ARIMA process without backshift notation represents a stationary state.

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