The PR adds some behavior to add_contrasts and add_design: if the DAList object contains a model fit or results object, these are reset to NULL. This ensures that the DAList object stays synced, and you can't have a statistical design that does not match the model fit or results.
The PR adds some behavior to add_contrasts and add_design: if the DAList object contains a model fit or results object, these are reset to NULL. This ensures that the DAList object stays synced, and you can't have a statistical design that does not match the model fit or results.
This PR fixes #198