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What is the price of a house with size 60 m2 if we use a KNN model with k=2.

What is the price of a house with size 60 m2 if we use a KNN model with k=2.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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>Recall the example that we have solved in the lecture to find the price of a house. We will do the same thing here, in the exam. I have a dataset of 10 houses given in the following No 1 2 3 4 5 Size 45 55 57 64 80 Price 96 129 170 129 160 No 6 7 8 9 10 Size 83 92 99 110 112 Price 243 210 199 220 280 Each observation has size as its feature and the output is the price. For example the first house's size is 45m2 and its price is 96TL. I will use two models to make predictions. KNN with k=1 and KNN with k-2. We will use ordinary KNN, i.e., we will take arithmetic mean and use Euclidian distances. a. What is the price of a house with size 60 m2 if we use a KNN model with k=2. b. (What is the price of a house with size 60 m2 if we use a KNN model with k=3. c. We want to see what happens to the model with the choice of k. Please plot the train error and the test error versus the value nf k
Transcribed Image Text:>Recall the example that we have solved in the lecture to find the price of a house. We will do the same thing here, in the exam. I have a dataset of 10 houses given in the following No 1 2 3 4 5 Size 45 55 57 64 80 Price 96 129 170 129 160 No 6 7 8 9 10 Size 83 92 99 110 112 Price 243 210 199 220 280 Each observation has size as its feature and the output is the price. For example the first house's size is 45m2 and its price is 96TL. I will use two models to make predictions. KNN with k=1 and KNN with k-2. We will use ordinary KNN, i.e., we will take arithmetic mean and use Euclidian distances. a. What is the price of a house with size 60 m2 if we use a KNN model with k=2. b. (What is the price of a house with size 60 m2 if we use a KNN model with k=3. c. We want to see what happens to the model with the choice of k. Please plot the train error and the test error versus the value nf k
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