What is correlation - Definition and Meaning

Correlation :

The relationship between two variables. Correlation range is -1 to +1. If the result is near -1, then correlation is negative. Similarly if the result is near +1, then it is positive correlation.

Formula :

Correlation formula

Example :

{ (1,2), (2,1), (3,4) } Correlation is 0.6546. The given values are positive correlation.
Coplanar Continuous Function

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