plot_decision_boundary(clf, X, y) plt.show() 在上述代码中,我们首先使用make_classification函数创建一个二分类问题的数据集。然后,我们使用StandardScaler对数据进行标准化处理,使得每个特征的均值为0,标准差为1。接下来,我们将数据集划分为训练集和测试集,并使用线性核的SVC分类器进行训练。最后,我们调用plot_de...
1、在二维平面上绘制出样本，包括positive（y=1）和negative（y=0）的样本点；2、绘制出DecisionBounda...
% Only need 2 points to define a line, so choose two endpoints% decision boundary为一条直线,画直线只需要两点就可以 plot_x = [min(X(:,2))-2, max(X(:,2))+2]; % Calculate the decision boundary line plot_y = (-1./theta(3)).*(theta(2).*plot_x + theta(1));%求plot_y(x...
你粘贴的程序也有错误。首先绘制点。正的用+表示，负的用O表示为：pos=find(y==1);neg=find(y==...
decisionBoundaryPlotlo**rs 上传894 Bytes 文件格式 rar decisionBoundaryPlot 模式分类 decisionBoundaryPlot 二进制分类 程序员 编程 源码 源代码 下载 采用matlab编写的,采用二进制进行模式分类的程序,(prepared using Matlab, using binary for pattern classification procedures,) ...
clf = DecisionTreeClassifier().fit(X, y) # Plot the decision boundary plt.subplot(2,3, pairidx +1) x_min, x_max = X[:,0].min() -1, X[:,0].max() +1y_min, y_max = X[:,1].min() -1, X[:,1].max() +1xx, yy = np.meshgrid(np.arange(x_min, x_max, plot_ste...
Dimensionality reduction method to help plot the decision boundary in 2D. Can be trained or untrained (in which case the fit method will train it). Must have n_components=2. Must be able to project new points into the 2D space after fitting ...
Plot_decision_Boundary auto_awesome_motion View Active Events Charleslmen·6y ago· 1,538 views arrow_drop_up1 Copy & Edit23 more_vert Input Data Input folder Data Sources [Private Dataset]