Merge pull request apachecn#219 from jiangzhonglian/python-2.7

 更新代码状态 SVM

Author: jiangzhonglian

src/python/6.SVM/svm-complete.py

@@ -504,32 +504,32 @@ def plotfig_SVM(xArr, yArr, ws, b, alphas):
 
 if __name__ == "__main__":
 
-    # # 无核函数的测试
-    # # 获取特征和目标变量
-    # dataArr, labelArr = loadDataSet('input/6.SVM/testSet.txt')
-    # # print labelArr
-
-    # # b是常量值， alphas是拉格朗日乘子
-    # b, alphas = smoP(dataArr, labelArr, 0.6, 0.001, 40)
-    # print '/n/n/n'
-    # print 'b=', b
-    # print 'alphas[alphas>0]=', alphas[alphas > 0]
-    # print 'shape(alphas[alphas > 0])=', shape(alphas[alphas > 0])
-    # for i in range(100):
-    #     if alphas[i] > 0:
-    #         print dataArr[i], labelArr[i]
-    # # 画图
-    # ws = calcWs(alphas, dataArr, labelArr)
-    # plotfig_SVM(dataArr, labelArr, ws, b, alphas)
+    # 无核函数的测试
+    # 获取特征和目标变量
+    dataArr, labelArr = loadDataSet('input/6.SVM/testSet.txt')
+    # print labelArr
+
+    # b是常量值， alphas是拉格朗日乘子
+    b, alphas = smoP(dataArr, labelArr, 0.6, 0.001, 40)
+    print '/n/n/n'
+    print 'b=', b
+    print 'alphas[alphas>0]=', alphas[alphas > 0]
+    print 'shape(alphas[alphas > 0])=', shape(alphas[alphas > 0])
+    for i in range(100):
+        if alphas[i] > 0:
+            print dataArr[i], labelArr[i]
+    # 画图
+    ws = calcWs(alphas, dataArr, labelArr)
+    plotfig_SVM(dataArr, labelArr, ws, b, alphas)
 
     # 有核函数的测试
-    # testRbf(0.8)
-
-    # 项目实战
-    # 示例：手写识别问题回顾
-    testDigits(('rbf', 0.1))
-    testDigits(('rbf', 5))
-    testDigits(('rbf', 10))
-    testDigits(('rbf', 50))
-    testDigits(('rbf', 100))
-    testDigits(('lin'))
+    testRbf(0.8)
+
+    # # 项目实战
+    # # 示例：手写识别问题回顾
+    # testDigits(('rbf', 0.1))
+    # testDigits(('rbf', 5))
+    # testDigits(('rbf', 10))
+    # testDigits(('rbf', 50))
+    # testDigits(('rbf', 100))
+    # testDigits(('lin'))