Test using both boost and clean. Install https://github.com/dmonllao/moodle-local_testanalytics Log in as admin Create a couple of users if you don't have any Go to Site admin > Analytics > Analytics models Disable "Linear" model Execute this in the CLI: php admin/tool/task/cli/schedule_task.php --execute=\\tool_analytics\\task\\train_models php admin/tool/task/cli/schedule_task.php --execute=\\tool_analytics\\task\\predict_models Go to Site admin > Analytics > Analytics models Select one of the users in "Inactive users" model, "Insights" column Click on "Actions > View prediction details" You will see three different tables. There shouldn't be unnecessary line jumps in the text contained in cells and the size of the cells should be reasonable.