Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Consider a Decision Tree. Suppose that an attribute splits examples of E into subsets Ei and that each subset has pi positive examples and ni

Consider a Decision Tree. Suppose that an attribute splits examples of E into subsets Ei and that each subset has pi positive examples and ni negative examples. Show that the attribute has strictly positive information gain unless the ratio pi(pi + ni) is the same for all i.

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Modern Database Management

Authors: Donald A. Carpenter Fred R. McFadden

1st Edition

8178088045, 978-8178088044

More Books

Students also viewed these Databases questions

Question

create a parameter query named :querybybloomcolor

Answered: 1 week ago

Question

love of humour, often as a device to lighten the occasion;

Answered: 1 week ago

Question

orderliness, patience and seeing a task through;

Answered: 1 week ago

Question

well defined status and roles (class distinctions);

Answered: 1 week ago