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 the
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.