Cluster Analysis of Russian Universities Based on the Dynamics of Their Performance Indicators

2021 ◽  
Vol 28 (5) ◽  
pp. 58-68
Author(s):  
A. V Melikyan

The article presents the results of a study, the aim of which is to investigate the dynamics of the development of Russian higher education institutions based on an analysis of their performance indicators. The sample includes 535 universities from 80 constituent entities of the Russian Federation. It presents the results of the clustering of universities on the basis of changes in indicators of six variables characterizing the key areas of activity of universities for the period from 2013/2014 to 2017/2018 academic years. The characteristics of each cluster are described, an inter-cluster comparison of quantitative indicators of the activities of universities is presented.As a result of the calculations of the average annual growth rates of six key indicators characterizing the activities of universities, fve clusters were identifed that differ in their development trajectories. Thus, the universities that belong to Cluster 1 over a fve-year period retained or improved their positions in the main areas of educational activity and managed to maintain income growth at an average level.However, their indicators in such areas as international and research activities, as well as infrastructure development (provision of educational and laboratory facilities) have decreased. In universities from clusters 2 and 3, all performance indicators changed in a fairly balanced way. At the same time, the indicator of an increase in the internationalization of the students’ body was signifcantly higher in Cluster 2, while educational organizations from Cluster 3 showed a signifcant increase in the publication activity of academic staff.The results of the activities of universities in Cluster 4 were positive in all considered areas. This cluster had the highest average annual growth rates in the average Unifed State Exam (USE) score and publication activity of the academic staff. Educational organizations from Cluster 5, on the one hand, achieved the best results in attracting foreign students, increasing the proftability of their activities and the provision of teaching and laboratory facilities but, on the other hand, their average annual growth rate of the average USE score has signifcantly decreased.The study represents one of the frst attempts to cluster Russian universities based on the analysis of changes in their performance indicators. Previous studies on the clustering of universities were mainly based on the analysis of one-time indicators. The approach proposed by the author makes it possible to compare indicators of the dynamics of development of higher educational institutions of different size and scope. Further research in this area could be aimed at analyzing a larger number of performance indicators of universities and studying in detail their strategies for a deeper understanding of the reasons for the differences in their effectiveness.

2021 ◽  
Vol 28 (1) ◽  
pp. 38-49
Author(s):  
A. V. Melikyan

The article presents the results of a study based on statistical methods for analyzing trends in the Russian higher education system over the five-year period preceding the global crisis provoked by the coronavirus pandemic COVID-19. This study is one of the first attempts at a large-scale analysis of the growth rates of the performance indicators of universities in recent years. Its results, according to the author, make it possible to form both a general picture of changes in Russian higher education and a detailed picture for individual groups of universities.The author has analyzed the dynamics of six indicators of the activity of organizations of higher professional education (535 universities from 80 constituent entities of the Russian Federation): the passing score of the Unified State Examination (USE), the qualifications of academic staff, their publication activity, the internationalization of the student body, the profitability of activities and the provision of educational and laboratory premises. Trends in the change in the values of these indicators are revealed depending on the form of ownership, specialization and status of the university.It was found that, in general, the average values of the indicators for five years increased: the passing score of the USE - by 5%; the share of the teaching staff with an academic degree in the total number of teaching staff - by 5%; the number of publications per one scientific and pedagogical worker (SPW) - 2.2 times; the share of foreign students in the total number of students - 1.5 times; profitability of activities - 1.3 times; the total area of educational and laboratory premises - by 8%.At the same time, in non-state universities, the USE passing score has decreased, and they lag behind state universities in terms of growth in the publication activity of the teaching staff and the internationalization of the student body. However, their results are higher in terms of the growth of profitability of activities and provision of educational and laboratory premises.Specialized universities have achieved an increase in the indicators of the publication activity of academic staff and the internationalization of the student body. Among the negative trends, a decrease in the passing score of the USE in medical universities, as well as in the equipment of teaching and laboratory facilities of medical and sports universities, was revealed.The highest growth in the publication activity of SPW was observed in national research universities (24.5%), and in the internationalization of the student body - in federal universities (33.3%).Changes in the operating conditions of universities during a pandemic are likely to have an ambiguous effect on the analyzed indicators in subsequent periods. For their adequate assessment, it may be necessary to adjust the methodology for calculating indicators of the activity of higher education institutions, taking into account their intensive use of distance learning technologies.


2021 ◽  
Vol 244 ◽  
pp. 02050
Author(s):  
J. M. Jumayev ◽  
M. Z. Kholmurodov ◽  
K. A. Khalilova

This article presents the results of research on the study of some bioecological properties of honey-producing trees and shrubs. The flowering period of the main trees and shrubs is March-June and allows to obtain a high amount of honey. During the summer months, Lycium barbarum, Symphoricarpos albus, Sophora japonica species continue to bloom until autumn. According to the data, the growth rates of all trees and shrubs were at the level of demand. In particular, when growing linden trees in the spring, their height increased from 190.5 cm to 230.5 cm in autumn. That was, it grew by 40 cm during one vegetation. The Ligustrum bush had the highest growth rate, with seedlings planted in spring averaging 90 cm in height and 155.8 cm in autumn, with an annual growth rate of 65.8 cm. These indicators depicted that the conditions in the experimental fields were suitable for the growth of trees and shrubs.


Author(s):  
G. P. Sunandini ◽  
K. Solmon Raju Paul ◽  
Shakuntala Devi Irugu

The study has been taken up with the objective of investigating the trends, pattern of growth and the extent of instability in area, production and productivity of rice crop in Andhra Pradesh state over a period of five and half decades from 1959-60 to 2013-14. Compound Growth Rate and Coefficient of Variation were used to calculate the annual growth rate and instability. The area, production and productivity of rice in this period has increased by 25, 201 and 138 per cent respectively. In this period, the districts were categorised and grouped under different groups based on average productivity of rice. During the study period many of the districts moved from very low productivity to high productivity group. During 1960s, 17 districts are under very low productivity group (<1500 kg/ha) and in 2010s 13 districts are under high productivity group (>3000 kg/ha). During the period 2014-19 in the divided Andhra Pradesh contribution of different productivity groups to the states paddy production was calculated and concluded that 3 districts under high productivity group (>6000kg/ha) contributed 52 per cent of the production. During 2010s annual growth rates for area, production and productivity are 4.08, 4.02 and 1.21 respectively. In all the periods in the past five and half decades, production and productivity growth rates are higher than growth rate in area except in 2010s. Instability was higher in production and area than in productivity.  The annual growth rate and the instability of production and area are higher in 2010s. Suitable crop planning is to be initiated, adoption of sustainable management practices are to be intensified to maintain the growth rate and reduce the instability in area and production.


Publications ◽  
2021 ◽  
Vol 9 (2) ◽  
pp. 21
Author(s):  
Мarina Vasiljeva ◽  
Gennady Osipov ◽  
Vadim Ponkratov ◽  
Vitali Ivlev ◽  
Marina Ivleva ◽  
...  

One of the most important conditions for the effectiveness of science is the motivation of academic staff of universities as key and direct producers of new knowledge. The purpose of the article was to substantiate the factors of efficiency in managing the publication activity of Russian universities. The nature and density of the relationship between the number of scientific publications and the level of citation of 19 leading countries in the world, including Russia, were determined by means of statistical analysis and the method of clusters. It has been empirically proven that the priority model for the development of publication activity should be an intensive model, which aims at improving the quality of scientific publications and the level of their citation. Moreover, a survey of 1573 young scientists (under the age of 39) and 2461 senior scientists from 14 universities in Russia was conducted. It investigated the factors of effective management of the publication activity at Russian universities. The results contribute to a better understanding on how Russian universities can activate and foster the flow of high-quality publication outputs by their researchers.


Author(s):  
Abdul Wahid Sultani ◽  

The almond is native to Iran and surrounding countries as well as Asia. In 2017, world production of almonds was 2.2 million tones, with the United States providing 46% of the total. According to FAO Afghanistan is one of the 10 top producers of almonds. The study examined the growth and instability of area, production, export and consumption of almond in Afghanistan from 2000 to 2017. Exponential function fitted to estimate compound annual growth rates (CAGR) in area, production, export and consumption of almond, and Cuddy – Della Valle indices are used in the study. The compound growth rates for area, production and productivity of almonds in Afghanistan were 5.77 %, 7.37 % and 1.52 % respectively. Area under almond crop exhibited medium (19,52) instability, where production and productivity shown high (50.05 and 49.01) instability respectively, during this period. Almond consumption grew by 6.75 per cent and export grew with compound annual growth rate of 6.12 per cent from the year 2000 to 2017.Both export and consumption of almond registered high instability in this period.


Radiocarbon ◽  
2016 ◽  
Vol 58 (3) ◽  
pp. 479-490 ◽  
Author(s):  
Mariana Delgado-Fernández ◽  
Pedro P Garcillán ◽  
Exequiel Ezcurra

AbstractAge estimation has been a limiting factor in the study of giant columnar cacti. In order to test the feasibility of using radiocarbon methods to estimate the age of the giant cardon cacti (Pachycereus pringlei), we selected six sites spanning the latitudinal and precipitation range of the species in the Baja California peninsula. In each site, we selected four individuals of different heights and sampled a spine from the lowest areole in the stem. The age of the spine was estimated using 14C dating, and the mean annual growth rate of the plant was calculated dividing the height of the lead shoot by the plant’s age. Mean annual growth rate was 0.098 m/yr, with values varying between 0.03 and 0.23 m/yr. Within the range of plants sampled, mean annual growth rates were significantly correlated with the height of the plant (r2=0.82, P<0.0001), and no other site-specific variable such as precipitation or latitude was a significant predictor of mean annual growth rates. A model integrating mean growth rate versus height showed that relatively small differences in growth rates between plants accumulate during the plants’ lifetime, so that plants of similar size may have very different ages. We conclude that 14C dating provides a robust method to explore the growth and demography of columnar cacti.


2017 ◽  
Vol 9 (3) ◽  
pp. 115
Author(s):  
Hussein Al-Zyoud ◽  
Fathi Elloumi

This paper analyses the trends and directions of exports and imports of Canada using the time series data for the period 1981 to 2014. Instantaneous and compound growth rates are calculated by using the log-linear regression model in conjunction with an autoregressive integrated moving average (ARIMA) model for forecasting future exports and imports. The results of this study show that there is an increasing trend for both exports and imports. As far as the growth rates are concerned, the two estimated log-linear models depict a comprehensive annual picture of Canadian merchandise trade. The exports grow at an instantaneous rate of 4.46% and at a slightly higher than compound annual growth rate of 4.6%. The overall growth rate of imports is 5.41% and compound annual growth rate is 5.27%. The compound growth rate is marginally higher than the instantaneous growth rate.The results of the Johansen test for analyzing the long-run relationship between export, import and GDP have further demonstrated that the variables are co-integrated, and have established a long-run association among them.


2021 ◽  
pp. 1-8
Author(s):  
Carolina Gesteira Benjamin ◽  
Zane Schnurman ◽  
Kimberly Ashayeri ◽  
Eman Kazi ◽  
Reed Mullen ◽  
...  

OBJECTIVE Meningiomas that arise primarily within the cavernous sinus are often believed to be more indolent in their growth pattern. Despite this perceived growth pattern, disabling symptoms can arise even with small tumors. While research has been done on cavernous sinus meningiomas (CSMs) and their treatment, very little is known about their natural growth rates. With a better understanding of the growth rate of CSM, patient treatment and guidance can be can optimized and individualized. The goal of this study was to determine volumetric growth rates of untreated CSMs. METHODS Thirty-seven patients with 166 MR images obtained between May 2004 and September 2019 were reviewed, with a range of 2–13 MR images per patient (average of 4.5 MR images per patient). These scans were obtained over an average follow-up period of 45.9 months (median 33.8, range 2.8–136.9 months). All imaging prior to any intervention was included in this analysis. Volumetric measurements were performed and assessed over time. RESULTS The estimated volumetric growth rate was 23.3% per year (95% CI 10.2%–38.0%, p < 0.001), which is equivalent to an estimated volume doubling time (VDT) of 3.3 years (95% CI 2.1–7.1 years). There was no significant relationship between growth rate and patient age (p = 0.09) or between growth rate and patient sex (p = 0.78). The median absolute growth rate was 41% with a range of −1% to 1793%. With a definition of “growth” as an increase of greater than 20% during the observed period, 65% of tumors demonstrated growth within their observation interval. Growth rates for each tumor were calculated and tumors were segmented based on growth rate. Of 37 patients, 22% (8) demonstrated no growth (< 5% annual growth, equivalent to a VDT > 13.9 years), 32% (12) were designated as slow growth (annual growth rate 5%–20%, VDT 3.5–13.9 years), 38% (14) were found to have medium growth (annual growth rate 20%–100%, VDT 0.7–3.5 years), and 8% were considered fast growing (annual growth rate > 100%, VDT < 0.7 years). CONCLUSIONS This study evaluated CSM volumetric growth rates. A deeper understanding of the natural history of untreated CSMs allows for better counseling and management of patients.


Author(s):  
Julie Hermans ◽  
Philippe Dubois ◽  
Luc Andre ◽  
Jean Vacelet ◽  
Philippe Willenz

In addition to the spicules typically produced by sponges, about twenty hypercalcified species belonging to both classes Demospongiae and Calcispongiae secrete a massive basal calcareous skeleton composed of calcite or aragonite. Skeletal growth rates and growth mechanisms are still poorly known in those hypercalcified Calcispongiae. In situ calcein staining experimentation on the Mediterranean calcisponge Petrobiona massiliana revealed a mean annual growth rate of the massive skeleton of 236 µm/y (±90). Scanning electron microscopy (SEM) revealed that some spicules are entrapped within the massive skeleton (a solid mass forming apical crests with multidirectional growth axes) during its formation. Whole actines were observed within the massive skeleton of fractured specimens, indicating that they do not dissolve after entrapping. Calcein incorporation bands seen through epifluorescence microscopy and SEM morphological observations of the skeletal surface revealed cone shaped protuberances corresponding to active growth areas. A spatially discontinuous growth was highlighted, but the annual growth rates were similar at the tip of crests and at the bottom of depressions separating them. The skeleton of P. massiliana is composed of magnesium calcite with strontium as the main trace element. Significant differences in skeletal chemistry of specimens collected in different Mediterranean locations revealed a possible temperature dependence of Mg/Ca. Although such temperature signature exists in the massive skeleton of P. massiliana, its use as an accurate environmental recorder is limited by several factors including multidirectional and spatially discontinuous growth.


Sign in / Sign up

Export Citation Format

Share Document