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 Tze Yep (TzeY7628)
Sky Solutions
Tze Yep
Sky Solutions
US
TzeY7628 Member since 2018 2 posts
Sky Solutions
Posted: November 1, 2018
Last activity: November 2, 2018
Posted: 1 Nov 2018 17:20 EDT
Last activity: 2 Nov 2018 2:58 EDT
Closed

Development Set vs Validation Set in Predictive Analytic Director

In Predictive Analytic Director, I see modeling results calculated based on Development Set and Validation Set. What is the difference between Development Set and Validation Set? See attachment.

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Posted: 2 years ago
Posted: 2 Nov 2018 2:58 EDT
Miki Muzsi (MikiMuzsi)
PEGA
Sr. Manager, Application Enablement
Pegasystems Inc.
NL

Hi,


Development set is a part of the initial data (usually a percentage from it)  used to create (to build) the actual model. Validation set, is a different part of the data used to test the accuracy of the model. The validation set is not 'seen' during the model development. You can see it as you want to develop a model on a data set (development set), and then you want to see how well it performs on new data, which you have not seen so far (validation).


Hope it makes sense.


Miki

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