There is also a field where a name can be given to factor A and to factor B. If a name is not provided the default will be Factor A and Factor B.

Enter covariates in the textarea provided below, or input file containing
the covariates.
The input format is a *n x q* matrix, where *q* represents the
number of covariates.
You also need to indicate whether or not to include interaction with
covariates in the model.

An example input data set is provided below the submit button.

The example data set can be obtained by clicking on the link data copying and clicking the back button. To obtain the covariate for the data set, do the same with this link, covariate.