I had the following error message (Positive class is not found in the input data)

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sofian kassaymeh
sofian kassaymeh 2020-1-13
评论： Adam Danz 2020-1-13
I had the following error message (Positive class is not found in the input data). for the following code line
[~,~,~,AUCtest] = perfcurve(outputTest,Results(i).simOutput,true);
I searched for a solution for this error, then I found I have to change the term (true) into a scalar number from the target data.
the question is ... which scalar number should I choose from the target data to replace (true) term?
  1 个评论
Adam Danz
Adam Danz 2020-1-13
What version of Matlab are you using?
The 3rd input should accept a logical input. From that link (r2019b),
posclass — Positive class label
numeric scalar | logical scalar | character vector |
string scalar | cell containing a character vector |
categorical scalar
Also, make sure you don't have a variable named true by executing
which true
If this is the output, you're overriding the true function
true is a variable.
If this is the output, you're OK.
built-in (/MATLAB/toolbox/matlab/elmat/true)

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