Allow users to choose whether to include the trained model weights in the export or not

Prerequisites Install https://github.com/dmonllao/moodle-local_testanalytics Log in as admin and go to site admin > analytics > analytics settings Disable onlycli setting Test Go to site admin > analytics > analytics models Execute Get predictions for the Binary model Click on Export for the Binary model You SHOULD see a modal window with a radio and the Export configuration option selected by default The checkbox and its text SHOULD disappear when you select Export training data Select Export training data and click on Export button A CSV file SHOULD be downloaded and the modal window should close Click on Export for the Binary model Select Export configuration , including the weights and click on Export A zip file SHOULD be downloaded, open it. An mlbackend directory SHOULD be part of the zip Click on Export for the Binary model Select Export configuration , untick the weights checkbox and click on Export A zip file SHOULD be downloaded, open it. No mlbackend directory SHOULD be listed. Set up a Students at risk of dropping out model. Basically ensure that the model has a time-splitting method and indicators Expand the Actions menu for the Students at risk of dropping out model If you can see a Clear predictions option click on it. Click on Export for the Students at risk of dropping out model A zip file SHOULD be downloaded, open it. No mlbackend directory SHOULD be listed.