Multivariate analysis method (Boosted Decision trees) is used for evaluation of Radon concentraton in underground laboratory of "Low background laboratory for Nuclear physics" in the Institute of physics, Belgrade. Evaluacija koncentracije radona Dimitrije M. Maletic, Vladimir I. Udovicic, Radomir M. Banjanac, Dejan R. Jokovic, Aleksandar L. Dragic, Nikola B. Veselinovic, and Jelena Z. Filipovic, "Comparison of multivariate classification and regression methods for the indoor radon measurements", Nuclear Technology & Radiation Protection: Vol. 29,No. 1,pp. 17-23, 2014.