ISyE 6203
Transportation and Supply Chain Systems
Spring 2013 Homework 4 solution
Question 1
Let N = cfw_A, B, C, D, E, F denote the given set of nodes, and let E = cfw_A, B, cfw_A, C, cfw_A, D, cfw_A, E, cfw_A, F ,
(30 points)
cfw_B, C, cfw_B, D, cfw_B,
Transportation and Supply Chain Systems
Automatic Identification and Data Collection Technologies 1 Introduction
Item identification and data collection are extremely important in supply chain systems. Many different models are used to optimize and contro
ISyE 6203
Transportation and Supply Chain Systems
Spring 2014
Administrative Info
Instructor:
Anton J. Kleywegt
Oce: Groseclose 409
Oce hours: Tuesday and Thursday 3:00pm4:30pm
e-mail: Anton.Kleywegt@isye.gatech.edu
WWW URL: http:/www.isye.gatech.edu/facu
Published in Inc., December 1981, 15-16.
How Expert Are the Experts?
J. Scott Armstrong
The Wharton School, University of Pennsylvania
If you want good forecasts for your industry, you should hire the best experts. Right? Well, maybe
not.
Certainly expert
Published in Technology Review, June/July, 1980, 16-24
The Seer-Sucker Theory: The Value of Experts in Forecasting J. Scott Armstrong
People are willing to pay heavily for expert advice. Economists are consulted to tell us how the economy will change, sto
Triple Exponential Smoothing Example
A scatterplot of the following actual demand data suggests the existence of seasonal (quarterly) variation coupled with an overall increasing trend; consequently, this data is a strong candidate for utilizing Winters'
Vehicle Routing Notes
1
Definition
Suppose a fleet of vehicles is based at a depot (referred to as node 0). Each vehicle in the fleet can transport a maximum of Q units (weight, volume, pallets, items, etc.). Suppose further that a set of n customers (nod
Single Vehicle Routing: The Traveling Salesman Problem
February 22, 2013
Let's consider the routing of a single vehicle that must make an optimal circuit of a set of locations. Optimality will be defined according to a single summation cost criterion.
1
C
Regression Models with Indicator Variables
1
Categorical Variables
One of the advantages regression-based forecasting models have over time series extrapolation models (i.e. moving average, exponential smoothing, etc.) is that regression models can includ
ISyE 6203 Spring 2013
1
ISyE 6203
Transportation and Supply Chain Systems
Spring 2013 Assignment 5 solution
Question 1
(25 points)
The following table gives the travel costs between pairs of warehouses. Node 0 is the depot. Note that travel is allowed in
ISyE 6203
Transportation and Supply Chain Systems
Spring 2013 Homework 3 solution guideline
For homework 3, you were expected to estimate a number of models with dependent variable (output): total time to complete a given set of pickup and delivery tasks,
ISyE 6203
Transportation and Supply Chain Systems
Spring 2013 Homework 2 solution
1
Results and Plots
We use the following colors: black: retailer, red: wholesaler, blue: distributor, purple: manufacturer, cyan: end customers
1. ES1 Method L=0
16
14
12
10
Reprinted from Journal of Consumer Research, 18 (September), 1991, 251-256, published by the University of
Chicago Press, 1991 by the Journal of Consumer Research, Inc. All rights reserved.
Prediction of Consumer Behavior by Experts and Novices
J. Scott A