DM week 3

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  • Created by: mariolarc
  • Created on: 06-05-21 08:44
What is purity?
A measure of how many different classes appear in a node of a decision tree.
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What is stratification?
The process of randomly sampling data to create training and test sets.
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What is 1R?
An algorithm for computing classification rules, based on class frequencies of individual attributes.
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What is the true positive rate?
The number of correctly predicted instances of a class divided by by the number of instances in this class.
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Other cards in this set

Card 2

Front

What is stratification?

Back

The process of randomly sampling data to create training and test sets.

Card 3

Front

What is 1R?

Back

Preview of the front of card 3

Card 4

Front

What is the true positive rate?

Back

Preview of the front of card 4

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