ich den folgenden Code verwende jedoch zu prüfen SGDClassifierValueerror unbekannt Etikettentyp Array sklearn- load_boston
import numpy as np
from sklearn.datasets import load_boston
from sklearn.linear_model import SGDClassifier
from sklearn.cross_validation import cross_val_score
from sklearn.preprocessing import StandardScaler
from sklearn.cross_validation import train_test_split
data = load_boston()
x_train, x_test, y_train, y_test = train_test_split(data.data, data.target)
x_scalar = StandardScaler()
y_scalar = StandardScaler()
x_train = x_scalar.fit_transform(x_train)
y_train = y_scalar.fit_transform(y_train)
x_test = x_scalar.transform(x_test)
y_test = y_scalar.transform(y_test)
regressor = SGDClassifier(loss='squared_loss')
scores = cross_val_score(regressor, x_train, y_train, cv=5)
print 'cross validation r scores ', scores
print 'average score ', np.mean(scores)
regressor.fit_transform(x_train, y_train)
print 'test set r score ', regressor.score(x_test,y_test)
wenn ich es benutze ich deprecation Warnungen erhalten neu zu gestalten und der folgende Wert Fehler
ValueError Traceback (most recent call last)
<ipython-input-55-4d64d112f5db> in <module>()
18
19 regressor = SGDClassifier(loss='squared_loss')
---> 20 scores = cross_val_score(regressor, x_train, y_train, cv=5)
ValueError: Unknown label type: (array([ -1.89568750e+00, -1.75715217e+00, -1.68255622e+00,
-1.66124309e+00, -1.62927339e+00, -1.54402088e+00,
-1.49073806e+00, -1.41614211e+00, -1.40548554e+00,
-1.34154616e+00, -1.32023303e+00, -1.30957647e+00,
-1.27760677e+00, -1.26695021e+00, -1.25629365e+00,
-1.20301082e+00, -1.17104113e+00, -1.16038457e+00,....]),)
Was könnte der wahrscheinliche Fehler im Code sein?
das Beispiel usedhere verwendet Boston-Datensatz und führt ohne Fehler [Link] (https://books.google.co.in/books?id=fZQeBQAAQBAJ&pg=PT97&dq=mastering+machine+learning+with+scikit+ SGd & hl = de & sa = X & ved = 0ahUKEwjwzpz916zOAhWMK48KHamrAQkQ6AEIMDAA # v = eine Seite & q = mastering% 20machine% 20learning% 20with% 20scikit% 20SGd & f = false) – aradhyamathur
Aber es verwendet [SGDRegressor] (http://scikit-learn.org/stable/modules/generated/ sklearn.linear_model.SGDRegressor.html), nicht [SGDClassifier] (http://scikit-learn.org/stable/modules/generated/sklearn.linear_model.SGDClassifier.html). – ayhan