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Logical Decisions - Classweb

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9. Enter 100 in the edit box for "Price."<br />

10. Enter 50 in the edit box for "Resale Value." Remember<br />

to press Enter after you type each number.<br />

11. Click "Done."<br />

12. LDW will compute weights that sum to 1.0 based on<br />

your swing weights.<br />

You should see weights of 0.667 and 0.333 for "Price" and "Resale<br />

Value" respectively.<br />

13. Click "OK" to return to the assess weights dialog box.<br />

14. Click "Done" to return to the Goals Hierarchy view.<br />

Now that we have added the "Resale Value" measure, we need to<br />

enter its levels. To do this select the Matrix view (or create a new<br />

one with the View::Matrix option). We will now add the levels<br />

for "Resale Value" as probability distributions.<br />

Adding the Probability Distributions. First, we will add a<br />

uniform probability distribution for the “Wolf” alternative.<br />

1. In the Matrix view, double-click the cell for the "Wolf"<br />

alternative and “Resale Value” measure.<br />

2. LDW will display the "Define a Probabilistic Level"<br />

dialog box.<br />

The “Define a Probabilistic Level” dialog box is where you can<br />

define probability distributions over the measure levels. There<br />

you will see radio buttons to select the type of probability<br />

distribution you will define. There are seven possibilities, one of<br />

which is the default point estimate (no uncertainty) option. We<br />

will define a uniform probability distribution for the "Wolf" truck.<br />

3. Click on the "Uniform Distribution" radio button.<br />

4. LDW will display a dialog box where you can enter the<br />

parameters for the uniform distribution.<br />

5-6 Section 5 -- Advanced Tutorial

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