error in using predict function

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apurwa choudhari
apurwa choudhari 2020-4-16
回答： Srivardhan Gadila 2020-4-19
predeictlabels = predict(classifier,testfeatures,'columns');
error in using this line in code
error is as
Error using internal.stats.parseArgs (line 42)
Wrong number of arguments.
Error in classreg.learning.internal.orientX (line 6)
internal.stats.parseArgs({'observationsin'},{'rows'},varargin{:});
Error in classreg.learning.classif.CompactClassificationECOC/predict (line 323)
[X,varargin] = classreg.learning.internal.orientX(...
Error in kite (line 62)
predeictlabels = predict(classifier,testfeatures,'columns'); % prdict level

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回答（1 个）

Srivardhan Gadila
Srivardhan Gadila 2020-4-19
The function predict takes only SVMModel & X as the input arguments. In your above code the 3rd argument 'columns' is causing the error, remove it.
predeictlabels = predict(classifier,testfeatures); % prdict level
Refer to documentation of predict for more information.

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