Download User's Guide - Norsys Software Corp.

Contents
1 Getting Started
6
1.1 Netica Application.............................................................................. 6
1.2 Installation.......................................................................................... 8
1.3 Menu Commands and Tool Bar ......................................................... 8
1.4 Quick Tour ......................................................................................... 9
1.4.1 Probabilistic Inference ....................................................... 9
1.4.2 Network Construction and Transformation ..................... 11
1.4.3 Case Files ......................................................................... 13
1.4.4 Decision Problems ........................................................... 14
1.4.5 Equations and Time Expansions...................................... 15
1.5 Introductory References for Belief and Decision Networks ............ 16
2 Probabilistic Inference
18
2.1 Belief Networks and Probabilistic Inference.................................... 18
2.2 Netica’s Probabilistic Inference ....................................................... 19
2.3 Example Belief Network.................................................................. 20
2.4 Compiling a Belief Network ............................................................ 21
2.5 Entering and Retracting Findings..................................................... 22
2.6 Belief Updating and AutoUpdating.................................................. 23
2.7 Negative and Likelihood Findings ................................................... 23
2.8 Consistency ...................................................................................... 24
2.9 Most Probable Explanation .............................................................. 25
3 Constructing Belief and Decision Networks
27
3.1 Opening a Window........................................................................... 27
3.2 Adding Nodes................................................................................... 27
3.3 Adding Links.................................................................................... 28
3.4 Undoing and Redoing....................................................................... 29
3.5 Selecting Nodes and Links............................................................... 29
3.6 Moving Nodes and AutoGrid........................................................... 30
3.7 Reshaping a Link.............................................................................. 30
3.8 Saving a Network to a File............................................................... 31
3.9 Deleting Nodes and Links ................................................................ 32
3.10 Disconnecting and Reconnecting Links .................................... 32
3.11 Cut, Copy, Paste and Duplicate Nodes...................................... 33
3.12 Drawing Size and Scrolling ....................................................... 34
4 Changing Node Characteristics
35
4.1 Obtaining the Node Dialog Box....................................................... 35
4.2 Making Changes............................................................................... 35
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