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我试图预测csv格式的铜矿企业数据的数据集中未来的利润数据。如何在scikit中不标准化目标数据学习回归
我读出的数据:
data = pd.read_csv('data.csv')
我分割数据:
data_target = data[target].astype(float)
data_used = data.drop(['Periodo', 'utilidad_operativa_dolar'], axis=1)
x_train, x_test, y_train, y_test = train_test_split(data_used, data_target, test_size=0.4,random_state=33)
创建SVR预测:
clf_svr= svm.SVR(kernel='rbf')
Standarize数据:
from sklearn.preprocessing import StandardScaler
scalerX = StandardScaler().fit(x_train)
scalery = StandardScaler().fit(y_train)
x_train = scalerX.transform(x_train)
y_train = scalery.transform(y_train)
x_test = scalerX.transform(x_test)
y_test = scalery.transform(y_test)
print np.max(x_train), np.min(x_train), np.mean(x_train), np.max(y_train), np.min(y_train), np.mean(y_train)
然后预测:
y_pred=clf.predict(x_test)
和预测数据被标化,以及。我想要预测的数据是原始格式,我该怎么做?
谢谢!,我没有把我的眼睛放在inverse_transform()上,对我感到羞耻。 – 2014-10-28 05:47:12