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LUCKJ Member since 2011 1 post
PEGA
Posted: 5 years ago
Last activity: 5 years 4 months ago
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Adaptive model performance

Could you please clarify the answer to one of the questions in the "Predictive Analytics" Quiz in the Pega Decision Management Essentials 7.1 course?

 

The question is as follows:

What is the performance of an adaptive model if it CANNOT differentiate interested customers from not interested customers better than random selection? (Choose One)

0

0.5

50

1

 

The answer is 0.5 according to the quiz but I thought that the default performance is displayed as 50.00%.

 

Also the transcript contains the text: "And of course, we don’t yet know the Performance of the model, so that column shows the default, which is 50%. As soon as the model makes a bad prediction, the performance goes below 50%"

 

......So I thought the answer would be 50 but it is apparently 0.5. Have I mis-understood? If so, why is the answer 0.5?

 

Thanks in advance....

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