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How to plot the precision and recall curve?

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Nithya SIvasamy
Nithya SIvasamy 2017-5-9
回答： Pramod Soni 2018-6-23
The precision and recall values are calculated as per theand from these values how to get the precision and recall curve.
Recall=[ 0.0432 0.0789 0.1089 0.1365 0.1629 0.1875 0.2121 0.2348 0.2554 0.2743]
Precision=[0.4320 0.3945 0.3630 0.3413 0.3258 0.3125 0.3030 0.2935 0.2838 0.2743]
Whether the values obtained here are correct.
All the precision and recall curves starts and ends by one.
  1 个评论
Adam
Adam 2017-5-9
I don't really understand what you are asking, but if you want to plot these numbers then simply
plot( Recall, Precision )
will do the job.
(With the usual caveat that I would always explicitly create an axes first and explicitly pass that to the plot function).

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回答（1 个）

Pramod Soni
Pramod Soni 2018-6-23
Precision = [.........];
Recall = [.........];
[Where values are given by you in Precision and Recall]
cftool(Recall, Precision)
It will draw the actual graph

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