from sklearn import datasets
import numpy as np
iris = datasets.load_iris()
X = iris.data[:,[2,3]]
y = iris.target
from sklearn.cross_validation import train_test_split
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.3)
from sklearn.svm import SVC
svm=SVC(kernel='linear',C=7.5)
from sklearn.cross_validation import ShuffleSplit
cv = ShuffleSplit(X_train.shape[0], n_iter=10, test_size=0.2, random_state=0)
from sklearn.grid_search import GridSearchCV
parameters={'kernel':('linear','rbf'),'C':[1, 10, 100, 1000],'gamma': [0.001, 0.0001]}
我得到正確的輸出,直到這裏。當我使用交叉驗證時,Tuple沒有項目
classifier=GridSearchCV(svm,cv,parameters)
classifier.fit(X_train,y_train)
此評論之後,錯誤是: 「元組」對象有沒有屬性「項目」
我不知道爲什麼會這樣。是否因爲「參數」應該只有一個參數?
發佈*完整堆棧跟蹤* –