if a classification technique is only artificial, why should the results be evaluated using statistical tests? is it valid to judge the superiority of a classification technique using only artificial data? is it valid to judge the superiority of a classification technique using only artificial data? can a classification technique be valid is it valid to judge the superiority of a classification technique using only artificial data? how do you judge the superiority of classification techniques why is classification valid can you judge the superiority of a classification technique using just artificial data? is classification valid only by artificial data is classification technique valid? are classification techniques valid is it valid to judge the superiority of a classification technique using only artificial data? is it valid to judge the superiority of a classification technique using only artificial data? is it valid to judge the superiority of a classification technique using only artificial data? which technique is valid if the statistical analysis focuses on artificial data? how is classification valid is it possible to judge the superiority of a classification technique using only artificial data? what is the statistical validity of classification? which data is used for classification studies can i judge the superiority of classification technique by using only artificial data?