Merge pull request WayScience#35 from MikeLippincott/30-create-custom…

…-exceptions-for-each-exception-stated-in-utilspy

create custom exceptions for utils.py

MLP_Model/MLP_utils/exceptions.py

@@ -0,0 +1,26 @@
+# define python user-defined exceptions
+
+
+class TrainingValidationTestingSplitError(Exception):
+    """Exception occurs in the case that the training, validation, and testing splits do not add up to 1.0"""
+
+    pass
+
+
+class YDataTypeError(Exception):
+    """Exception occurs in the case that the y data does not have the correct data type
+    (e.g., each model has a different y data type)"""
+
+    pass
+
+
+class ModelTypeError(Exception):
+    """Exception occurs in the case that the model type is not specified correctly"""
+
+    pass
+
+
+class OptimizationMetricError(Exception):
+    """Exception occurs in the case that the optimization metric is not specified correctly"""
+
+    pass