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Diffstat (limited to 'Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old')
-rw-r--r-- | Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old b/Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old new file mode 100644 index 0000000..4e3d702 --- /dev/null +++ b/Monitoring/src/main/python/DataProcessing/MeasurementLevel.py.old @@ -0,0 +1,46 @@ +''' +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, +} |