orange / Orange / orng /

import orange
import orngRegression

class MultiClassPredictionLearner(object):
    """(self, data, y, x=None)"""
    def __new__(self, data=None, name='multivar pred', **kwds):
        learner = object.__new__(self)
        if data:
            learner.__init__(name) # force init
            return learner(data)
            return learner  # invokes the __init__

    def __init__(self, name='multivar pred', baseLearner=orngRegression.LinearRegressionLearner): = name
        self.baseLearner = baseLearner
    def __call__(self, data, y, x=None, weight=None):
        if y == None:
                y = [data.domain.classVar]
                import warnings
                warnings.warn("multi-class learner requires either specification of response variables or a data domain with a class")
                return None
        if x == None:
            print y
            x = [v for v in data.domain.variables if v not in y]

        models = []
        for a in y:
            newDomain = orange.Domain(x, a)
            newData = orange.ExampleTable(newDomain, data)
        return MultiClassPrediction(x=x, y=y, models=models)
class MultiClassPrediction:
    def __init__(self, **kwds):

    def __call__(self, example):
        return [m(example) for m in self.models]
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