perfcurve return one value

Ezgi Aslan

2020 8 24

0 个回答

4 次查看（30 天）

0 个投票

I used sam (spectral angle mapper) to change detection in hyperspektral image after that want to plot roc(Receiver operating characteristic) using perfcurve function but function return one value. why ? could you help me?

[Xpr,Ypr,Tpr,AUCpr] = perfcurve(hyperdata_gt,abs(result),'1'); plot(Xpr,Ypr);

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Ezgi Aslan 2020-8-24

[X,Y] = perfcurve(labels,scores,posclass); plot(X,Y);

labels are the true labels of the data, scores are the output scores from your classifier (before the threshold) and posclass is the positive class in your labels.

请先登录，再进行评论。

请先登录，再回答此问题。

Follow Question