Merge pull request fengdu78#83 from DuFanYin/patch-1

Update 1.linear_regreesion_v1.ipynb

Author: fengdu78

code/ex1-linear regression/1.linear_regreesion_v1.ipynb

@@ -181,7 +181,7 @@
     "#     \"\"\"\n",
     "    ones = pd.DataFrame({'ones': np.ones(len(df))})#ones是m行1列的dataframe\n",
     "    data = pd.concat([ones, df], axis=1)  # 合并数据，根据列合并\n",
-    "    return data.iloc[:, :-1].as_matrix()  # 这个操作返回 ndarray,不是矩阵\n",
+    "    return data.iloc[:, :-1].values  # 这个操作返回 ndarray,不是矩阵\n",
     "\n",
     "\n",
     "def get_y(df):#读取标签\n",