How to use RSQ Function in Excel

The RSQ function returns the square of the Pearson product moment correlation coefficient through data points in known_y’s and known_x’s.

Syntax:= RSQ(known_y’s,known_x’s)

The RSQ function syntax has the following arguments:

  • Known_y’s    Required. An array or range of data points.
  • Known_x’s    Required. An array or range of data points.

Example: Let’s look at some Excel RSQ function examples and explore how to use the RSQ function as a worksheet function in Microsoft Excel:

RSQ Function - How to use RSQ Function in Excel

The column X and Y contains the two array values.  R square of these values can be calculated using formula

Syntax:  =RSQ(A2:A21,B2:B21)

Result: 0.62242737

RSQ Function in Excel 1 - How to use RSQ Function in Excel

Based on the Excel spreadsheet above, the following RSQ examples would return:

Syntax: 

Syntax: 
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Note:

  • Arguments can either be numbers or names, arrays, or references that contain numbers.
  • Logical values and text representations of numbers that you type directly into the list of arguments are counted.
  • If an array or reference argument contains text, logical values, or empty cells, those values are ignored; however, cells with the value zero are included.
  • Arguments that are error values or text that cannot be translated into numbers cause errors.
  • If known_y’s and known_x’s are empty or have a different number of data points, RSQ returns the #N/A error value.
  • If known_y’s and known_x’s contain only 1 data point, RSQ returns the #DIV/0! error value.
  • The equation for the Pearson product moment correlation coefficient, r, is:
    RSQ Function in Excel - How to use RSQ Function in Excel

    where x and y are the sample means AVERAGE(known_x’s) and AVERAGE(known_y’s).

    RSQ returns r2, which is the square of this correlation coefficient.

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