Ejemplo n.º 1
0
def hsic(num_features, hsic_data, method='regression'):
    hsic_lasso = HSICLasso()
    hsic_lasso.input(hsic_data)

    if method == 'regression':
        hsic_lasso.regression(num_features)
    else:
        hsic_lasso.classification(num_features)

    return hsic_lasso.get_features()
Ejemplo n.º 2
0
def hsic_sel(csv, no_features, method='classification'):
    hsic_lasso = HSICLasso()
    hsic_lasso.input(csv)

    if method == 'regression':
        hsic_lasso.regression(no_features)
    else:
        hsic_lasso.classification(no_features)

    return hsic_lasso.get_features()
Ejemplo n.º 3
0
def main():
    hsic_lasso = HSICLasso()
    #out_list = ['c'+str(i) for i in range(1,51)]
    #print (out_list)
    hsic_lasso.input("./user_data_new.csv",
                     output_list=[
                         'c1', 'c2', 'c3', 'c4', 'c5,', 'c6', 'c7', 'c8', 'c9',
                         'c10'
                     ])
    # ,'c11', 'c12', 'c13', 'c14', 'c15,', 'c16', 'c17', 'c18', 'c19', 'c20','c21', 'c22', 'c23', 'c24', 'c25,', 'c26', 'c27', 'c28', 'c29', 'c30'])
    hsic_lasso.regression(100, B=50)
    hsic_lasso.dump()
    select_index = hsic_lasso.get_index()
    print(select_index)
    print(hsic_lasso.get_index_score())
    #hsic_lasso.plot_path()
    print(hsic_lasso.get_features())
    X_select = hsic_lasso.X_in[select_index, :]
    np.savetxt('X_select.txt', X_select, fmt=str('%.5f'), encoding='utf-8')
Ejemplo n.º 4
0
    def HSICLasso(self):

        df_ = self.data.copy()
        cols = list(df_.columns)[:-1] + ['class']
        df_.columns = cols

        hsic_lasso = HSICLasso()
        hsic_lasso.input(self.X_train.values, self.Y_train.values)

        if self.type == CLASSIFICATION:
            hsic_lasso.classification(self.num_top_features)
        elif self.type == REGRESSION:
            hsic_lasso.regression(self.num_top_features)

        feats = [
            df_.columns[int(val) - 1] for val in hsic_lasso.get_features()
        ]

        for feat, imp in zip(feats, hsic_lasso.get_index_score()):
            features_[feat] = imp
        self.report_feature_importance(features_,
                                       self.num_top_features,
                                       label="HSICLasso")
from pyHSICLasso import HSICLasso
hsic_lasso = HSICLasso()
hsic_lasso.input("SNR-26415.csv")
print(hsic_lasso.classification(100))
hsic_lasso.get_features()
l = []
l.append(hsic_lasso.get_features())
print(hsic_lasso.get_features())
print(len(l))
temp = 0
hsic_lasso.dump()
for i in range(0, len(l)):
    print(l[i])
    temp = temp + 1
print(temp)