diff --git a/src/python/pcmdi/scripts/driver/observation.py b/src/python/pcmdi/scripts/driver/observation.py
index a7f357b84..ae50ecf7d 100644
--- a/src/python/pcmdi/scripts/driver/observation.py
+++ b/src/python/pcmdi/scripts/driver/observation.py
@@ -1,7 +1,7 @@
 import logging
 import MV2
 from pcmdi_metrics.io.base import Base
-from pcmdi_metrics.driver.dataset import Dataset
+from pcmdi_metrics.driver.dataset import DataSet
 
 
 class OBS(Base):
@@ -49,7 +49,7 @@ def setup_based_on_obs_table(self, obs_table):
             self.ac = 'ac'
 
 
-class Observation(Dataset):
+class Observation(DataSet):
     ''' Handles all the computation (setting masking, target grid, etc)
     and some file I/O related to observations. '''
     def __init__(self, parameter, var_name_long, region,
diff --git a/src/python/pcmdi/scripts/driver/pmp_parameter.py b/src/python/pcmdi/scripts/driver/pmp_parameter.py
index ef451c861..baf65a361 100755
--- a/src/python/pcmdi/scripts/driver/pmp_parameter.py
+++ b/src/python/pcmdi/scripts/driver/pmp_parameter.py
@@ -1,3 +1,4 @@
+import os
 import logging
 import cdp.cdp_parameter
 
@@ -33,7 +34,7 @@ def __init__(self):
         self.test_data_path = ''
         self.reference_data_path = ''
         self.custom_observations_path = ''
-        # self.test_clims_interpolated_output = ''
+        self.test_clims_interpolated_output = ''
 
         self.metrics_output_path = ''
         self.filename_output_template = ''
@@ -117,9 +118,9 @@ def check_vars(self):
 
         self.check_str_seq_in_str_list(self.vars, 'vars', vars_values)
 
-    def check_ref(self):
+    def check_reference_data_set(self):
         ref_values = ['default', 'all', 'alternate', 'ref3']
-        self.check_str_seq_in_str_list(self.ref, 'ref', ref_values)
+        self.check_str_seq_in_str_list(self.reference_data_set, 'reference_data_set', ref_values)
 
     def check_target_grid(self):
         self.check_str_var_in_str_list(
@@ -242,3 +243,21 @@ def check_values(self):
         self.check_filename_output_template()
         self.check_custom_observations_path()
         '''
+        if getattr(self, "save_test_clims", False):
+            if not hasattr(self, "test_clims_interpolated_output"):
+                self.test_clims_interpolated_output = os.path.join(
+                    self.metrics_output_path,
+                    'interpolated_model_clims')
+                logging.warning("Your parameter file asks to save interpolated test climatologies," +
+                                " but did not define a path for this\n We set 'test_clims_interpolated" +
+                                "_output' to %s for you" % self.test_clims_interpolated_output)
+            if not hasattr(self, "filename_output_template"):
+                template = "%(variable)%(level)_%(model_version)_%(table)_%(realization)" + \
+                           "_%(period).interpolated.%(regrid_method).%(target_grid_name)-clim%(ext)"
+                self.filename_output_template = template
+                logging.warning("Your parameter file asks to save interpolated model climatologies," +
+                                " but did not define a name template for this\nWe set 'filename_output" +
+                                "_template' to %s for you" % self.filename_output_template)
+        if not hasattr(self, 'dry_run'):
+            self.dry_run = True
+
diff --git a/src/python/pcmdi/scripts/pcmdi_metrics_driver.py b/src/python/pcmdi/scripts/pcmdi_metrics_driver.py
index 25196ae5b..c3f70ecf0 100644
--- a/src/python/pcmdi/scripts/pcmdi_metrics_driver.py
+++ b/src/python/pcmdi/scripts/pcmdi_metrics_driver.py
@@ -5,7 +5,7 @@
 from pcmdi_metrics.driver.observation import Observation
 from pcmdi_metrics.driver.model import Model
 import pcmdi_metrics.driver.dataset
-import pcmdi_metrics.driver.dataset.pmp_parser
+import pcmdi_metrics.driver.pmp_parser
 
 
 class PMPDriver(object):