Decision Trees Python Prototype Project 01 - Find best attribute to split on

Опубликовано: 30 Октябрь 2017
на канале: Prototype Project

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00:15 formulas for entropy and information gain
00:36 demo a pre-built version of the application
02:10 go over doing entropy and information gain calculations for the weather dataset
02:23 explain entropy calculation
02:46 explain information gain calculation
04:21 go over doing entropy and information gain calculations for the contact-lenses dataset
05:22 code the application
05:35 the various classes that make up the application
06:06 the weather and contact-lenses datasets
06:21 code the FeatureValue class
07:20 code the Feature class
08:48 code the DataSet class
11:03 write the app. driving code
12:08 function to create a new dataset given a feature value
14:18 apply information gain formula
15:16 test run the application

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