MainAuthors Umar A. Bachaev Assistant of the Department of Information Technology Financial University under the Government of the Russian Federation , Moscow, Russian Federation ARTICLES: Nonparametric Approach to Regression Modeling Based on Copula Functions: Application to Bivariate Models Economic Problems and Legal Practice — Issue №3 2025: 136-145 Prediction of Spatial Effects and Factors of Regional Development Using Machine Learning Methods Computational Nanotechnology — Issue №3 2025: 23-30 Multivariate Vine Copula Regression: Theoretical Foundations and Assumptions Economic Problems and Legal Practice — Issue №1 2026: 163-169