Merge pull request microsoft#362 from D-X-Y/main

Add load_object function for R

Author: you-n-g

qlib/workflow/__init__.py

@@ -416,6 +416,12 @@ def save_objects(self, local_path=None, artifact_path=None, **kwargs):
         """
         self.get_exp().get_recorder().save_objects(local_path, artifact_path, **kwargs)
 
+    def load_object(self, name: Text):
+        """
+        Method for loading an object from artifacts in the experiment in the uri.
+        """
+        return self.get_exp().get_recorder().load_object(name)
+
     def log_params(self, **kwargs):
         """
         Method for logging parameters during an experiment. In addition to using ``R``, one can also log to a specific recorder after getting it with `get_recorder` API.