Guryanova, L., Yatsenko, R., Dubrovina, N., Babenko, V. (Eds.): Machine Learning Methods and Models, Predictive Analytics and Applications, Proceedings of the Workshop on the XIII International Scientific Practical Conference Modern problems of social and economic systems modelling (MPSESM-W 2021), Kharkiv, Ukraine, April 9, 2021, CEUR-WS.org, online This volume represents the proceedings of the workshop on the XIII international scientific practical conference Modern problems of social and economic systems modelling (MPSESM-W 2021), held in Kharkiv, Ukraine, on April 9, 2021. It comprises 11 papers dedicated to the machine learning methods and models, predictive analytics and applications that were carefully peer reviewed. Copyright © 2021 for the individual papers by the papers’ authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors.