IE 303 • Production Planning and Control • Midterm I

Forecasting

Error in Forecasts

Mean Absolute Deviation (MAD)

Mean Squared Error (MSE)

Mean Absolute Percentage Error (MAPE)

Example

Components of the Data

Last Data Point Method

Last Data Point Example

Simple Average Method

Simple Average Example

Moving Averages Method

Moving Averages Example

Weighted Moving Averages Method

Weighted Moving Averages Example

Exponential Smoothing Method

Exponential Smoothing Example

Regression Analysis

Regression Analysis Example

Seasonal Data with No Trend

Example

Introduction

Zero Inventory Strategy

Example 1

Example 2

Constant Workforce Plan

Example 3

Example 4

Linear Programming Solution

Example 5

Economic Order Quantity

Cost Components

Example 1

Example 2

Lead Time

Example 3

Finite Production Rate

Example 4

Example 5

Forecasting Methods 1

Forecasting Methods 2

Forecasting Methods 3

Forecasting Methods 4

Forecasting Methods 5

Forecasting Methods 6

Sales and Operations Planning 1

Sales and Operations Planning 2

Sales and Operations Planning 3

Sales and Operations Planning 4

Sales and Operations Planning 5

Sales and Operations Planning 6

Basic EOQ 1

Basic EOQ 2

Basic EOQ 3

Basic EOQ + Lead Time 1

Basic EOQ + Lead Time 2

EPQ 1

EPQ 2

EPQ 3

EPQ 4