27.9.4 Bland-Altman Plot

UG appendix bland altman plot.png

Data Requirements

Select at least two columns of values or a range of values from at least two columns. Subject column is optional. Plot designation does not matter; selected columns will be treated as Y columns.

Creating the Graph

Select the required data.

Select Plot > Statistical > Bland Altman

Origin opens the plot_BA dialog box.


BA_NOSUBJECT.OTPU (installed to the Origin program folder).


Bland Altman plots display the correlation between two different methods (for example, the classical method and a new one) when they are used to measure the same property of same set of samples. Refer to this page for detailed algorithm.