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Correlation, Regression, Coefficient of Correlation and Determination

Raj Kumar
06/08/2018 0 0

Correlation

A measure of linear relationship between two variables independent and dependent 

it is used when  and Y both are continuous

 

Corelation is measure with r (Coefficient of corelation)

r values ranges from 

1) r=1 perfect positive relationship 

2) r=0 no relationship 

3) r=-1 negative relationship 

 

Regression:

Provides the basis for predicting the value of a variable from the values of one or more other variables 

used with continuous Y and Continuous Xs or continuous Y and categorical Ys

It is measured with r2 which is known as the coefficient of determination 

rtells us about the proportion of variation of Y explained by prediction equation

 

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