# Introducing HUGIN Runtime

## What Is It?

HUGIN Runtime is an interactive tool enabling you to use the facilities in the HUGIN System. It can help you construct models which can be used in other applications.

HUGIN Runtime is also ideal for educational purposes. When introducing the concept of Bayesian belief networks to a group of students, they will be very motivated if they can model and test Bayesian belief networks using an easy-to-use tool.

## Basic Concepts

Before you can use the HUGIN Runtime tool, you should at least understand the concept of Bayesian belief networks which is described in the basic concepts section. In extension to Bayesian belief networks lies the concept of influence diagrams allowing you to create decision support directly through certain decision nodes. If you are not familiar with influence diagrams you can also read about these in the basic concepts section.

## Tutorials

When you feel that you have enough knowledge, you can learn how to use HUGIN Runtime through two tutorials. The first tutorial guides you through the construction of a small Bayesian belief network. The second tutorial guides you through the construction of a small influence diagram based on the Bayesian belief network constructed in the first tutorial.

When you have become familiar with the most basic functionality of HUGIN Runtime, you can start using the more advanced features. The table generator tutorial shows you how you can easily specify simple expressions for large tables and then let the built in table generator do all the hard work of filling in the numbers in the table.

| HUGIN Expert A/S | , 1998

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