Analytica® User Guide Release 4.0 Lumina Decision Systems, Inc. 26010 Highland Way Los Gatos, CA 95033 Phone: (650) 212-1212 Fax: (650) 240-2230 Web Site: www.lumina.com Copyright Notice Information in this document is subject to change without notice and does not represent a commitment on the part of Lumina Decision Systems, Inc. The software program described in this document is provided under a license agreement. The software may be used or copied, and registration numbers transferred, only in accor- dance with the terms of the agreement. It is against the law to copy the software on any medium except as specifically allowed in the license agreement. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or information storage and retrieval systems, for any purpose other than the licensee's personal use, without the express written con- sent of Lumina Decision Systems, Inc. This document is © 1993-2006 Lumina Decision Systems, Inc. All rights reserved. The software program described in this document, Analytica, is copyrighted: © 1982-1991 Carnegie Mellon University © 1992-2005 Lumina Decision Systems, Inc., all rights reserved. Analytica was written using MacApp®: © 1985-1996 Apple Computer, Inc. Analytica incorporates Mac2Win technology, © 1997 Altura Software, Inc. The Analytica® software contains software technology licensed from Carnegie Mellon University exclusively to Lumina Decision Systems, Inc., and includes software proprietary to Lumina Decision Systems, Inc. The MacApp software is proprietary to Apple Computer, Inc. The Mac2Win technology is technology to Altura, Inc. Both MacApp and Mac2Win are licensed to Lumina Decision Systems only for use in combination with the Analytica program. Neither Lumina nor its Licensors, Carnegie Mellon University, Apple Computer, Inc., and Altura Software, Inc., make any warranties whatsoever, either express or implied, regarding the Analytica prod- uct, including warranties with respect to its merchantability or its fitness for any particular purpose. Analytica is a registered trademark of Lumina Decision Systems, Inc. Contents Chapter : About Analytica . 1 Welcome........................................................................................................ 2 If you don’t read manuals .............................................................................. 2 Requirements ................................................................................................ 2 Installation and license codes........................................................................ 3 Editions of Analytica ...................................................................................... 4 Online help and electronic documentation..................................................... 6 What’s new in Analytica 3.0 and 3.1? ........................................................... 9 Conventions used in this guide.................................................................... 14 Online help................................................................................................... 15 User guide examples folder ......................................................................... 15 How to contact us ........................................................................................ 15 Credits ......................................................................................................... 16 Chapter 1: Examining a Model . 17 Opening, closing, and switching models...................................................... 18 The tool palette ............................................................................................ 19 Browsing with input and output nodes ......................................................... 20 Influence Diagram window........................................................................... 21 Node types .................................................................................................. 23 Selecting nodes ........................................................................................... 24 The Object window ...................................................................................... 25 The Attribute panel ..................................................................................... 26 Showing mid values..................................................................................... 28 Printing......................................................................................................... 29 Chapter 2: Viewing Results . 33 The result window........................................................................................ 34 Viewing a result as a table........................................................................... 37 Viewing a result as a graph ......................................................................... 38 Uncertainty view options.............................................................................. 39 Comparing results ....................................................................................... 43 Chapter 3: Analyzing Model Behavior . 45 Varying input parameters............................................................................. 46 Analyzing model behavior results ................................................................ 48 Chapter 4: Creating and Editing a Model . 51 Creating and saving a model ....................................................................... 52 The model Object window ........................................................................... 52 Creating and editing nodes in a diagram ..................................................... 53 Drawing arrows in a diagram window .......................................................... 56 Arrows between variables in different modules ........................................... 59 Alias nodes ................................................................................................. 60 Editing Attributes.......................................................................................... 62 Changing the class of a node ..................................................................... 63 Preferences dialog box ................................................................................ 64 Analytica User Guide v Chapter 5: Building Effective Models . 69 Creating a model .......................................................................................... 70 Testing and debugging a model ................................................................... 73 Expanding your model.................................................................................. 75 Chapter 6: Creating Lucid Influence Diagrams . 79 Guidelines for creating lucid and elegant diagrams...................................... 81 Organizing a module hierarchy..................................................................... 84 Color in Influence Diagrams ......................................................................... 86 Diagram Style dialog box.............................................................................. 87 Node Style dialog box................................................................................... 88 Changing the size of the diagram................................................................. 90 Taking screenshots of diagrams................................................................... 90 Chapter 7: Formatting Graphs and Tables . 93 Graph Setup dialog box................................................................................ 94 Selecting the Graphing Tool ......................................................................... 94 Graph Frame setup option............................................................................ 95 Graph Style setup option .............................................................................. 96 Number Format dialog box ........................................................................... 99 Using Excel Graph with Analytica............................................................... 101 Chapter 8: Creating and Editing Definitions . 103 Creating or editing a definition.................................................................... 104 How a valid definition may change the diagram ......................................... 107 The Expression popup menu...................................................................... 108 Object Finder dialog box............................................................................. 109 Pasting from a library in the Definition menu ............................................. 111 Checking the validity of a variable’s values ................................................ 111 Chapter 9: Creating Models Used by Others . 115 Using input nodes....................................................................................... 116 Creating a popup menu .............................................................................. 117 Using output nodes..................................................................................... 118 Resizing controls ........................................................................................ 119 Changing display style................................................................................ 119 Using form modules.................................................................................... 120 Adding icons to nodes