Fatal error: Uncaught Error: Interface "Rubix\ML\CrossValidation\Metrics\Metric" not found in C:\xampp\htdocs\londoncityroom\vendor\rubix\ml\src\CrossValidation\Metrics\RSquared.php:23
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\londoncityroom\vendor\rubix\ml\src\CrossValidation\Metrics\RSquared.php on line 23