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Data Mining_Anoop Chaturvedi

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Swayam Prabha

Course Title

Multivariate Data Mining- Methods and Applications

Lecture 06

Multiple Regression Model: Introduction

By

Anoop Chaturvedi

Department of Statistics, University of Allahabad

Prayagraj (India)

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Slides can be downloaded from https://sites.google.com/view/anoopchaturvedi/swayam-prabha

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Multiple Linear Regression Model

Multiple Regression Model ⇒ Study or output or dependent variable depends on a set of explanatory or input or independent variables

Focus of Attention⇒

  • What is causing variation in dependent variable?
  • Which variables are mainly responsible for variation in dependent variable?

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Examples:

Scientists might be interested in observing the effect of

  1. different amount of fertilizers,
  2. different levels of irrigation,
  3. different types of soil

on crop yield.

The selling price of a house ⇒ Depends on Location, House area, House facing the sea or not, Number of bedrooms, Number of bathrooms, how old the house is, etc.

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Sample no.

Dependent Variable

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