INE 3015 • 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

Exponential Smoothing Method

Exponential Smoothing Example

Summary

Regression Analysis

Regression Analysis Example

Double Exponential Smoothing (Holt's Method)

Double Exponential Smoothing Example

Summary

Seasonal Decomposition using Moving Averages

Example

Introduction

Zero Inventory Strategy

Example 1

Example 2

Constant Workforce Plan

Example 3

Example 4

Linear Programming Solution

Example 5

Economic Order Quantity (EOQ)

Cost Components

Example 1

Example 2

Lead Time

Example 3

Variable Lead Time and Demand

Economic Production Quantity (EPQ)

Example 4

Example 5

All Units Discounts

Example 6

Example 7

Incremental Discounts

Example 8

Example 9

Single Period (Newsboy) Model

Cost Calculation and Optimal Solution

Example 10

Additional Values

Example 11

Forecasting Stationary Series 1

Forecasting Stationary Series 2

Forecasting Stationary Series 3

Forecasting Stationary Series 4

Forecasting Trend Series 1

Forecasting Trend Series 2

Forecasting Seasonal Series

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

All Units Discount

Incremental Discount

Newsboy Model 1

Newsboy Model 2

Newsboy Model 3

Newsboy Model 4