Hello When in using the scoring to be 'f1' then i get an error. Here is the code and the error
X=data y=target_column classifier = LinearSVC() rfecv = RFECV(estimator=classifier, step=0.1, cv=StratifiedKFold(5),scoring='f1') rfecv.fit(X, y) The error is : ValueError: pos_label=1 is not a valid label: array([u'c.pre', u'n.pre'], dtype='<U5') Please your help (I'm new to using scikit-leanr) --------------------------------------------------------------------------------------- *Prof. Malik Yousef , Associate Professor * *Zefat Academic College , Department of Information System * Home Page: https://malikyousef.com/ Google Scholar Profile : https://scholar.google.com/citations?user=9UCZ_q4AAAAJ&hl=en&oi=ao ----------------------------------------------------------------------------------------------------
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