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1 Annals of Computer Science and Information Systems

1 2022

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Impact of clustering unlabeled data on classification: case study in bipolar disorder

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Kamińska O. , Kaczmarek-Majer K. , Hryniewicz O.

Annals of Computer Science and Information Systems

2022

tom Vol. 30

931--934

Currently, it is possible to collect large amount of data from sensors. At the same time, data are often only partially labeled. For example, in the context of smartphone-based monitoring of mental state, there are much more data collected from smartphones than those collected from psychiatrists about the mental state. The approach presented in this paper is designed to examine if unlabeled data can improve the accuracy of classification task in the considered case study of classifying a patient's state.First, unlabeled data are represented by clusters membership through Fuzzy C-means algorithm which corresponds to the uncertainty of the patient's condition in this disease. Secondly, the classification is perform using two well-known algorithms, Random Forest and SVM. The obtained results indicate a minimal improvement in the quality of classification thanks to the use of membership in clusters. These results are promising and also interpretable.