method remove from plugin since it can be inherited

dream/plugins/DefaultTabularExit.py

@@ -53,13 +53,3 @@ class DefaultTabularExit(plugin.OutputPreparationPlugin):
                                                                             round(float(lifespan['ub']),2)                                                               
                                                                             ]) 
         return data
-    
-    def getConfidenceInterval(self, value_list, confidenceLevel):
-        from dream.KnowledgeExtraction.ConfidenceIntervals import ConfidenceIntervals
-        from dream.KnowledgeExtraction.StatisticalMeasures import StatisticalMeasures
-        BSM=StatisticalMeasures()
-        lb, ub = ConfidenceIntervals().ConfidIntervals(value_list, confidenceLevel)
-        return {'lb': lb,
-                'ub': ub,
-                'avg': BSM.mean(value_list) 
-            }
\ No newline at end of file

dream/plugins/plugin.py

@@ -33,7 +33,7 @@ class Plugin(object):
             successors.append(edge['destination'])
     return successors
 
-  # calcualted the confidence inteval for a list and a confidence level
+  # calculate the confidence interval for a list and a confidence level
   def getConfidenceInterval(self, value_list, confidenceLevel):
     from dream.KnowledgeExtraction.ConfidenceIntervals import ConfidenceIntervals
     from dream.KnowledgeExtraction.StatisticalMeasures import StatisticalMeasures