#NEWLINE# @ classmethod #NEWLINE# def MSE( cls , module , dataset ) : #NEWLINE# #INDENT# " Returns the mean squared error.\n\n            :arg module: Object of any subclass of pybrain's Module type\n            :arg dataset: Dataset object at least containing the fields\n                'input' and 'target' (for example SupervisedDataSet)\n        " #NEWLINE# return ModuleValidator . validate ( Validator . MSE , cls , dataset )