Сравнительный Анализ Частоты Мертворождений На Радиационно-Загрязненных Территориях Брянской Области После Чернобыльской Катастрофы (1986–2016)

Хоффманн, В.; Pugach, L. I.; Lagerev, D. G.

doi:10.1134/s0869803119010053

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“…Table 1. The stillbirths rate of boys and girls (per 1000 births, M±m) in the Bryansk region and the average density of radioactive contamination with Cesium-137 and Strontium-90 in 1986-2016 [11] Note: p > 0.05; n bthe average sample size for the number of births of boys, n gthe average sample size for the number of births of girls.…”

Section: Resultsmentioning

confidence: 99%

“…The use of visual analysis methods for exploratory analysis of data on the dynamics of stillbirths in the radioactive contaminated areas of the Bryansk region after the Chernobyl disaster for a long period (1986-2016) allowed us to formulate a number of hypotheses. The obtained hypotheses were tested and further research was conducted [11], which allowed us to make the following conclusions:…”

Section: Resultsmentioning

confidence: 99%

“…Within the framework of the international scientific and educational cooperation of the Ministry of education and science and DAAD under the program "Mikhail Lomonosov" (state task 19.9992.2017/5.2), a comparative analysis of the frequency of stillbirths of boys and girls in the Bryansk region, characterized by different contamination density as a result of the Chernobyl disaster long-lived radionuclides 137 Cs and 90 Sr [11]. The presented work is a continuation of the study [11], the purpose of which is the use of visual analysis methods to comparative assessment the dynamics of the stillbirths rate of boys and girls in the contaminated areas of the Bryansk region after the Chernobyl disaster for a long period (1986-2016).…”

Section: Introductionmentioning

confidence: 99%

“…Linear regression between 137 Cs and 90 Sr radioactive contamination density and total stillbirth rates of boys and girls in all districts of the Bryansk region (1986-2016)[11] …”

mentioning

confidence: 99%

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The Application of Visual Analytics Methods to Analyze the Dynamics of Stillbirth in Radiation Contaminated Areas of the Bryansk Region after the Chernobyl Disaster (1986-2016)

Лагерев¹,

Lagerev²,

Pugach³

et al. 2019

GraphiCon'2019 Proceedings. Volume 2

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The relevance of the research is due to the complexity of the stage of exploratory data analysis and hypotheses for further verification by methods of statistical and/or data mining. Objective: to apply methods of visual analysis and cognitive visualization for exploratory analysis and advance preliminary hypotheses in the process of analyzing the dynamics of stillbirth of boys and girls in all areas of the Bryansk region with different density of radioactive contamination by long-lived radionuclides Cesium-137 (137Cs) and Strontium-90 ( 90Sr), on the basis of official statistics for the long-term period (1986-2016). Research methods: visual analytics and cognitive visualization, mathematical statistics: Shapiro-Wilk test, Student t-test, homoscedasticity test, linear regression. Research results: the research results confirm the feasibility of using methods of visual analytics and cognitive visualization for exploratory analysis and advancement of preliminary hypotheses. The use of cognitive visualization in the process of exploratory data analysis allows the researcher to better understand the main trends and patterns in the analyzed data. This makes it possible to reduce the time required to form hypotheses by two to three times and to improve the quality of the hypotheses put forward.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Linear regression between 137 Cs and 90 Sr radioactive contamination density and total stillbirth rates of boys and girls in all districts of the Bryansk region (1986-2016)[11] …”

mentioning

confidence: 99%

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