Back to tools

Correlation

Enter paired values and calculate Pearson's correlation coefficient.

Data input

Enter x and y values.

No. x y

Pasting two spreadsheet columns into an x field will distribute them across rows automatically.

Use Tab or Enter to move forward. A new row is added automatically from the last field, and Backspace moves back from an empty field.

Import from file

You can import two-column CSV, TSV, or text files. Export Excel files as CSV before importing.

Results

Plot the data points as a scatter plot with AwayFrom Graph.

Pearson correlation r Results will appear after you enter data.
The graph will appear after you enter data.
Open in AwayFrom Graph

Details

Standard deviations and covariance are calculated with sample denominator n-1.