Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Differentiation of subjects of the Russian Federation according to the
  main parameters of socio-economic development   This article presents the results of a cluster analysis of the regions of the
Russian Federation in terms of the main parameters of socio-economic
development according to the data presented in the official data sources of the
Federal State Statistics Service (Rosstat). Studied and analyzed the domestic
and foreign (Eurostat) methodology for assessing the socio-economic development
of territories. The aim of the study is to determine the main parameters of
territorial differentiation and to identify key indicators that affect the
socio-economic development of Russian regions. The authors have carried out a
classification of the constituent entities of the Russian Federation not in
terms of territorial location and geographical features, but in terms of the
specifics and key parameters of the socio-economic situation.

5
The categories of this paper are: gr-qc
23
The categories of this paper are: solv-int
12
The categories of this paper are: nucl-th
7
The categories of this paper are: hep-th
34
The categories of this paper are: chem-ph
9
The categories of this paper are: nlin
31
The categories of this paper are: ao-sci
1
The categories of this paper are: cs
26
The categories of this paper are: bayes-an
20
The categories of this paper are: acc-phys
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
4
The categories of this paper are: cond-mat
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
33
The categories of this paper are: plasm-ph