更新 function.py

2024-10-31 17:18:04 +08:00
parent 1765f9d5cc
commit 68ec2ecaa3
1 changed files with 1 additions and 3 deletions
@@ -26,8 +26,6 @@ name = "邓龙树"

 # user_code.py

-import numpy as np
-import random
 from sklearn.preprocessing import StandardScaler

 def sigmoid(intX):
@@ -41,7 +39,7 @@ def stocGradAscent1(X, y, numIter=150):
        dataIndex = list(range(m))
        for i in range(m):
            alpha = 4 / (1.0 + j + i) + 0.01
-            randIndex = int(random.uniform(0, len(dataIndex)))
+            randIndex = int(np.random.uniform(0, len(dataIndex)))
            h = sigmoid(np.dot(X[randIndex], weights))
            error = y[randIndex] - h
            weights = weights + np.dot(alpha * error, X[randIndex])