Error in find Precision recall curve

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Ali Asghar
Ali Asghar on 23 Jun 2021
Commented: Ali Asghar on 24 Jun 2021
Hello
I am following https://www.mathworks.com/help/stats/perfcurve.html#bunsogv-XCrit to find PR curve. On x axis i need recall value and on y axis i want precision value. as per the syntax it would be
'XCrit','tpr'
'YCrit','ppv'
but is shows error
['XCrit','tpr','YCrit','ppv'] = perfcurve(Y,diffscore1,'HandGrip');
Error: Assigning the function output to this expression is not supported.
Please help me

Accepted Answer

Sargondjani
Sargondjani on 23 Jun 2021
Try without the quotations:
[XCrit,tpr,YCrit,ppv] = perfcurve(Y,diffscore1,'HandGrip');
In general quotations are used to specify strings (ie. names), which are not necessary for variable names.
  1 Comment
Ali Asghar
Ali Asghar on 24 Jun 2021
Hey Sargondjani
Thanks alot. code run without error but its not giving the graph like PRC curve. I got below curve. Please tell me am i put right value in x and y axis? like x is tpr and y is ppv...

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