IE 321 • Production Planning and Control • Midterm

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

Summary

Regression Analysis

Regression Analysis Example

Double Exponential Smoothing (Holt's Method)

Double Exponential Smoothing Example

Summary

Seasonal Data with No Trend

Example

Seasonal Decomposition using Moving Averages

Example

Summary

Introduction

Zero Inventory Strategy

Example 1

Example 2

Constant Workforce Plan

Example 3

Example 4

Linear Programming Solution

Example 5

What is MRP?

Example 1

Table Update and Examples

Order Promising

Example 2

Example 3

Order Promising Table Update

Example 4

Example 5

Arrival of New Orders

Example 6

What is MRP?

Bill of Materials (BOM)

MRP Records

Example 1

Example 2

MRP Record Update

Example 3

Example 4

Forecasting Stationary Series 1

Forecasting Stationary Series 2

Forecasting Stationary Series 3

Forecasting Trend Series 1

Forecasting Trend Series 2

Forecasting Seasonal Series 1

Forecasting Seasonal Series 2

Aggregate Production Planning 1

Aggregate Production Planning 2

Aggregate Production Planning 3

Aggregate Production Planning 4

Aggregate Production Planning 5

Aggregate Production Planning 6

Master Production Schedule 1

Master Production Schedule 2

Master Production Schedule 3

Materials Requirement Planning 1

Materials Requirement Planning 2