def plotTest():
    featureDatas, classTypes = GradientRegression.loadDataSet()
    weights = GradientRegression.getBestRegressionWeightsByGradientAscent(
            featureDatas, classTypes)
    print weights
    GradientRegression.plotBestRegressionLine(
            featureDatas, classTypes, weights)
def weightsTest():
    featureDatas, classTypes = GradientRegression.loadDataSet()
    weights = GradientRegression.getBestRegressionWeightsByGradientAscent(featureDatas, classTypes)
    print weights