R Squared Calculator

Calculate R Squared
R Squared Formula :
\(\begin{array}{l}\large R^{2}=\frac{N\sum xy-\sum x \sum y}{\sqrt{\left[N\sum x^{2}-\left(\sum x\right)^{2}\right]\left[N\sum y^{2}-\left(\sum y\right)^{2}\right]}}\end{array} \)
Enter Value of X(separated by comma) =

Enter Value of Y(separated by comma) =

No.of Inputs(N) =

Correlation Coefficient(r) =

Coefficient of Determination (r2) =

R Squared Calculator is a free online tool that displays the statistical measure of the data values using the R squared method. BYJU’S online R Squared calculator tool makes the calculation faster and it displays the statistical measure in a fraction of seconds.

How to Use the R Squared Calculator?

The procedure to use the R Squared calculator is as follows:

Step 1: Enter the x values and y values separated by a comma in the input field

Step 2: Now click the button “Calculate” to get the R squared value

Step 3: Finally, the correlation coefficient and the coefficient of determination using R Squared method will be displayed in the output field

What is Meant by R Squared?

In statistics, R squared is used to calculate closeness of the data which are fitted to the regression line. Both correlation and regression play an important role in data analysis. The R squared method is also known as the coefficient of determination. This method is used in the regression model to show how much variation of the dependent variable is defined by the independent variable.  Also, correlation is used to define the strength of the dependent and the independent variable.


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