What is the difference between Regression and Correlation

 

Basis

Correlation

Regression

Relationship

Correlation tells the degree of average relationship between two or more variables.

Using                 relationship between known variables and unknown variables, the unknown variable is estimated

Cause & Effect

Unable to tell  which series is the cause and which is the  effect, despite high degree of correlation.

The given independent variable is the ‗cause‘ and dependent variable is the effect.

Change in scale

Unaffected by the change of origin and scale.

Regression coefficient is affected by change  in scale.

Application

Limited Application.

Wider Application.

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