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==...
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...
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,) ...
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]