how to plot ROC curve ,given False positive rate and true positive rate

4 次查看（过去 30 天）
Nithya SIvasamy
Nithya SIvasamy 2016-10-1
编辑： Walter Roberson 2016-10-5
TPR=[0.245 0.355 0.678 0.99 1]
FPR=[0.444 0.678 0.789 0.88 1]
plotroc(TPR,FPR)
when i use use plotroc,the graph displayed is in straight line manner. How to get a graph in a curved manner

请先登录，再回答此问题。

回答（1 个）

Steven Van Vaerenbergh
The first and second argument for plotroc are the targets and outputs which you used to calculate FPR and TPR.
You can plot the ROC by using plot:
plot(TPR,FPR);
or by using plotroc on the original targets and outputs:
plotroc(targets,outputs);

类别

在 Help Center 和 File Exchange 中查找有关 ROC - AUC 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by