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diff --git a/Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old b/Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old
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+'''
+Created on Mar 22, 2012
+
+@author: steger, jozsef
+
+@summary: Class representation of the measurement levels (aka measurement scale) defined by Stanley Smith Stevens. 
+Stevens proposed his theory in a 1946 Science article titled "On the theory of scales of measurement".
+@note: These classes are not meant to be instantiated ever.
+'''
+
+class MeasurementLevel: 
+    '''
+    @summary: It serves as the common scheme for the measurement levels. Only its subclasses have a meaning.
+    '''
+    pass
+
+class Nominal(MeasurementLevel): 
+    '''
+    @summary: Values of this kind of measurement are mere elements of a set.
+    '''
+    pass
+
+class Ordinal(Nominal): 
+    '''
+    @summary: A ranking is defined between the values of this kind of measurement.
+    '''
+    pass
+
+class Interval(Ordinal): 
+    '''
+    @summary: A difference is defined which can be evaluated for any two values of this kind of measurement.
+    '''
+    pass
+
+class Ratio(Interval): 
+    '''
+    @summary: There is a reference value defined for this kind of measurement, that is "zero" has a meaning.
+    '''
+    pass
+
+lut_level = {
+   'NominalLevel': Nominal,
+   'OrdinalLevel': Ordinal,
+   'IntervalLevel': Interval,
+   'RatioLevel': Ratio,
+}