regression.txt

Regression analysis is a statistical method to model the relationship between a dependent (target) and independent (predictor) variables with one or more independent 
variables. More specifically, Regression analysis helps us to understand how the value of the dependent variable is changing corresponding to an independent variable 
when other independent variables are held fixed. It predicts continuous/real values such as temperature, age, salary, price, etc.

We can understand the concept of regression analysis using the below example:

Example: Suppose there is a marketing company A, who does various advertisement every year and get sales on that.
The below list shows the advertisement made by the company in the last 5 years and the corresponding sales: