R Squared Calculator


R squared, also known as coefficient of determination is a statistical measure used for measuring the amount of accuracy the data points fit in a given statistical model such as curve or a line.

Formula to calculate coefficient of determination and correlation coefficient is given below:

Correlation Coefficient Formula

Coefficient of Determination Formula

In the below online r squared calculator, enter the x and y values and then click calculate button to find the output.


Enter the numbers separated by comma,
Example: 6,8,12,13,17
Total Numbers:
Correlation Coefficient(r):
Coefficient of Determination(r2):






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