Data Science and Artificial Intelligence
GATE DA concept:decision-trees PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:decision-trees
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–1 of 1. Imported answers require independent review unless marked reviewed.
Question 62
Open questionDANAT2 marksNeeds review
Details of ten international cricket games between two teams “Green” and “Blue” are given in Table C. This table consists of matches played on different pitches, across formats along with their winners. The attribute Pitch can take one of two values: spin-friendly (represented as S) or pace-friendly (represented as F). The attribute Format can take one of two values: one-day match (represented as O) or test match (represented as T).
A cricket organization would like to use the information given in Table C to develop a decision-tree model to predict outcomes of future games between these two teams.
To develop such a model, the computed InformationGain(C, Pitch) with respect to the Target is _____ (rounded off to two decimal places).
Table C
Match Number | Pitch | Format | Winner (Target) |
|---|---|---|---|
1 | S | T | Green |
2 | S | T | Blue |
3 | F | O | Blue |
4 | S | O | Blue |
5 | F | T | Green |
6 | F | O | Blue |
7 | S | O | Green |
8 | F | T | Blue |
9 | F | O | Blue |
10 | S | O | Green |
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer