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所以下面的代碼從不打印精度。爲什麼精度不能打印?
1 #!/usr/bin/python
2
3 """.
4 This is the code to accompany the Lesson 2 (SVM) mini-project.
5
6 Use a SVM to identify emails from the Enron corpus by their authors:....
7 Sara has label 0
8 Chris has label 1
9 """
10 ....
11 import sys
12 from time import time
13 sys.path.append("../tools/")
14 from email_preprocess import preprocess
15 from sklearn import svm
16 from sklearn.metrics import accuracy_score
17
18
19 ### features_train and features_test are the features for the training
20 ### and testing datasets, respectively
21 ### labels_train and labels_test are the corresponding item labels
22 features_train, features_test, labels_train, labels_test = preprocess()
23 clf=svm.SVC(kernel='linear')
24 clf.fit(features_train, labels_train)
25 pred=clf.predict(features_test)
26 print(accuracy_score(labels_test, pred))
我試圖找出爲什麼線print(accuracy_score(labels_test, pred))
不打印任何東西。它應該打印一些價值。可能是什麼問題?
運行腳本時是否在控制檯中出現錯誤? –
你期望它打印什麼值? – vcp
冷靜下來。只是試圖獲得有關您所面臨問題的快速信息。 – vcp