Abstract
Mental health is currently subject to extensive social concern. Applying the psychological assessment to determine the individual psychological characteristics has already become an important method for early psychological intervention; therefore, the efficiency of Psychological assessment data classification is an important measurement for the effect of psychological evaluation. To address the problem, the author has researched the psychological assessment data through experiment based on the evaluation of 455 students of China University of Mining and Technology. Because the psychological assessment data is characterized as higher dimensions, form discrete and uneven sample distribution, this article has compared and analyzed several common classification measurements, and then put forward the improved methods to suit the characteristics of the data sets.
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