MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

MACHINE LEARNING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
what is regression in supervised learning
A
like teaching a kid how to ride a bike
B
helping them till they understand
C
classify things by their features
D
giving concrete known examples to the computer
Explanation: 

Detailed explanation-1: -Predicting prices of a house given the features of house like size, price etc is one of the common examples of Regression. It is a supervised technique.

Detailed explanation-2: -Regression is a supervised machine learning technique which is used to predict continuous values. The ultimate goal of the regression algorithm is to plot a best-fit line or a curve between the data. The three main metrics that are used for evaluating the trained regression model are variance, bias and error.

Detailed explanation-3: -Some real-world examples for regression analysis include predicting the price of a house given house features, predicting the impact of SAT/GRE scores on college admissions, predicting the sales based on input parameters, predicting the weather, etc.

Detailed explanation-4: -One practical example of supervised learning problems is predicting house prices. How is this achieved? First, we need data about the houses: square footage, number of rooms, features, whether a house has a garden or not, and so on. We then need to know the prices of these houses, i.e. the corresponding labels.

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