Modeling with GAMS: Part II University of Chicago Booth School of Business Kipp Martin February 17‚ 2010 1 List of Files portOptSet.gms portOptSetInclude.gms portOptSetTable.gms portOptData.dat portOptExcel.gms portOptData.xls (worksheet with data) maxCover.gams maxCover.dat maxCover.xls portOptControl.xlsm (control macro) clsGams.cls Outline Motivation Sets and Parameters Separation of Model and Data Interfacing GAMS with Excel Another Example – Max Cover References
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Days-to-Repair When determining the number of days needed to repair a copier‚ it is best to assume that the number of days is random. It is best to generate this random‚ which is illustrated on the excel spreadsheet as r2. R2 will be numbers between 0 and 1. To determine this value a random number will be generated in excel. The number of days needed to repair the copier will be determined based on the cumulative outline below: 0.00 > r2 < 0.20‚ then it will take 1 day; 0.20 >
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data into an Excel Spreadsheet (including constraints). Add cells for total hours used (these should be formulas). Add two additional lines for quantity and total contribution margin by product and overall. Keep in mind that the total contribution margin cells must be input as formulas. It is also a good idea to write out your linear programming model (as shown below) to help guide you as you set up Solver‚ but it is not necessary for the program to work. Your excel spreadsheet should look like
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1 Part 1 Locate the Excel Spreadsheet named HA3 StartFile1.xlsx from Blackboard /ASSESSMENTS/Assignments. This is your “start file” for Assignment 1 Part 1. Save file as HA3_LastNameFirstName_1 and complete “Assignment Requirements” detailed below. DO NOT CHANGE THE FORMAT or MOVE ROWS OR COLUMNS. Once you have completed the steps below‚ save the Excel file. You will need to submit this spreadsheet in addition to answering 10 questions (based on the completed spreadsheet) in Blackboard. Go to Blackboard
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Intelligence and Analytics Decision Models Supply Chain Management What I teach this semester? IS102 Computer as an Analysis Tool (CAT) What’s it all about? What is CAT? Use PCs to solicit‚ consolidate‚ present information via spreadsheet models Excel as a computing tool Use models to derive solutions Use solutions to generate actionable insights It is not a programming course! Not Quantitative Methods‚ Management Science or Operations Research Course
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proposal is to introduce a relational database system that will improve the company’s productivity by updating our current information system. Team C will demonstrate this by explaining the usefulness of converting data currently in Microsoft Excel spreadsheets into a rational database using Microsoft Access. Describe the benefits of using Microsoft Access in our organization and will include suggestions for the future use of collaborative software‚ showing how it can improve the communication of the
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Business Analytics Tutorial 1 Introduction to Business Analytics in Excel Introduction This week’s tutorial provides an overview of Excel‚ how to set up a data set‚ and how to structure your spreadsheet when performing data analysis. Note that Microsoft Excel is a powerful general purpose spreadsheet. It is widely used throughout the business world across all industries. However‚ its statistical functionality is rather limited and only covers basic statistical techniques. This is sufficient for
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Problem1.3-1 Application：Logistical planning of shipments Organization:Federal Express Federal Express is the world’s largest express transportation company‚providing fast and reliable services for important documents ‚packages‚and freight.It’s success was gave the credit to the use of Operations Research. Operations Research modeling was a way of life for Federal Express‚there were three famous Model planning system‚one is origin-destination flow model which worked out a 26-city system
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organic snack items each year‚ some of its core systems were still heavily manual and paper-based. Snyder’s financial department was using electronic spreadsheets for much of its data-gathering and reporting. Lois Stambaugh‚ Hanover’s financial analyst‚ would spend the entire final week of each month collecting Excel spreadsheets from the heads of more than 50 departments worldwide. Then she would consolidate and reenter all the data into another
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you can master these questions‚ you’ll be well on your way to becoming a portfolio manager! Before attempting those questions‚ be sure to read carefully Chapter 8 of Bodie‚ Kane‚ and Marcus’s Investments book. Also‚ I have included an Excel spreadsheet (Exhibit 1)‚ which contains data on several stocks‚1 including returns‚ standard deviations and correlations‚ and a simple three asset optimizer model‚ which makes use of the Microsoft Excel Solver Add-In‚ along with some simple instructions
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