RESEARCH OF THE FACTORS OF REGIONAL DIFFERENTIATION OF SUBJECTS OF THE RUSSIAN FEDERATION ON THE COEFFICIENT OF VITAL
The article highlights the results of statistical studies of factors of regional differentiation of subjects of the Russian Federation at a rate of natural population movement, using modern tools of multivariate methods. The authors first conducted a statistical analysis in three homogeneous groups of subjects of the Russian Federation. The first group included subjects who where in 2010 - 2014 years there has been decline in population, the second - the subjects with natural growth in the analyzed period, the third group - subjects in which there was a natural increase and population decline over a five year period. Statistical analysis of the distribution of the subjects of the Russian Federation at a rate of natural population movement (2010 - 2014 years) revealed that the distribution of the RF subjects with natural population loss corresponds to the normal distribution law, and the other two isolated groups - different from the normal 5% significance level. The coefficient of variation demonstrates the heterogeneity of the studied populations of all three subjects and are not typical for their average. In order to achieve uniformity of the target population, in the first cluster analysis one indicator (ratio of natural movement of the population) to take over a five year period (2010 - 2014), which made it possible to form a "stable" clusters. Systematizing the works of leading Russian scientists devoted to the review of the factors affecting the birth rate and mortality, as well as the available official statistics in the section on RF subjects, the authors proposed nineteen statistical indicators reflecting the impact of factors on the variation of the rate of natural population movement, conventionally divided into three blocks ( demographic, environmental and socio-economic). The use of multivariate methods in the study of natural population movements reduced the feature space, identify the factors that influence the rate of natural population movements in the regions of Russia and give a comparative assessment of their impact; analyze the differentiation of subjects of the Russian Federation in terms of natural population movement. The results allow to make better management decisions at the federal level in the implementation of Russian demographic policy concept.