VU Matematikos ir informatikos fakulteto autoriaus 'Rūta Levulienė' publikacijų sąrašas
pagal Lietuvos akademinių bibliotekų tinklo (LABT) publikacijų bazę VUB:

Eil. Nr. Publikacija
1Klimantavičiūtė, Gintarė; Levulienė, Rūta. Comparative analysis of homogeneity tests for censored samples under crossing of survival functions // DAMSS: 14th conference on data analysis methods for software systems, Druskininkai, Lithuania, November 30 - December 2, 2023. Vilnius : Vilniaus universiteto leidykla, 2023. eISBN 9786090709856. p. 39. (Vilnius University Proceedings, eISSN 2669-0233 ; vol. 39). DOI: 10.15388/DAMSS.14.2023.
2Bagdonavičius, Vilijandas; Čekanavičius, Vydas; Levulienė, Rūta; Vaitkus, Pranas. Julius Kruopis – taikomosios statistikos pradininkas Lietuvoje = Julius Kruopis – the pioneer of applied statistics in Lithuania // Lietuvos statistikos darbai. Vilnius : Vilniaus universiteto leidykla. ISSN 1392-642X. eISSN 2029-7262. 2023, vol. 62, p. 37-48. DOI: 10.15388/LJS.2023.33984.
3Markevičiūtė, Jurgita; Bernatavičienė, Jolita; Levulienė, Rūta; Medvedev, Viktor; Treigys, Povilas; Venskus, Julius. Attention-based and time series models for short-term forecasting of COVID-19 spread // CMC-Computers, materials & continua. Henderson, NV : TECH Science Press. ISSN 1546-2218. eISSN 1546-2226. 2022, vol. 70, no. 1, p. 695-714. DOI: 10.32604/cmc.2022.018735.
4Markevičiūtė, Jurgita; Bernatavičienė, Jolita; Levulienė, Rūta; Medvedev, Viktor; Treigys, Povilas; Venskus, Julius. Impact of COVID-19-related lockdown measures on economic and social outcomes in Lithuania // Mathematics. Basel : MPDI. eISSN 2227-7390. 2022, vol. 10, no. 15, art. no. 2734, p. [1-20]. DOI: 10.3390/math10152734.
5Bernatavičienė, Jolita (tyrėjas); Štikonienė, Olga (tyrėjas); Račkauskas, Alfredas (tyrėjas); Leipus, Remigijus (tyrėjas); Markevičiūtė, Jurgita (tyrėjas); Levulienė, Rūta (tyrėjas); Treigys, Povilas (tyrėjas); Medvedev, Viktor (tyrėjas). COVID-19 infekcija Lietuvoje: modeliavimas ir socio-ekonominių padarinių analizė = COVID-19 infection in Lithuania: modelling and analysis of social-economic consequences. Vilnius, 2021. 3 failai. DOI: 10.18279/MIDAS.MIFKOR.163019.
6Markevičiūtė, Jurgita; Bernatavičienė, Jolita; Levulienė, Rūta; Medvedev, Viktor; Treigys, Povilas. COVID-19 infection in Lithuania: analysis of social-economic consequences // DAMSS: 12th conference on data analysis methods for software systems, Druskininkai, Lithuania, December 2–4, 2021. Vilnius : Vilnius University Press, 2021. ISBN 9786090706732. eISBN 9786090706749. p. 48. DOI: 10.15388/DAMSS.12.2021.
7Bagdonavičius, Vilijandas; Ali Hafdi, Mohamed; Levulienė, Rūta. Modeling and analysis of data with confounding covariates and crossing of the hazard functions // Communications in statistics - theory and methods. Philadelphia : Taylor & Francis INC. ISSN 0361-0926. eISSN 1532-415X. 2021, vol. 50, no. 22, p. 5262-5284. DOI: 10.1080/03610926.2020.1728330.
8Levulienė, Rūta; Bagdonavičius, Vilijandas. Modeling and analysis of data with confounding covariates and crossing of the hazard functions // 14th international conference on computational and financial econometrics (virtual CFE 2020) and 13th international conference of the ERCIM working group on computational and methodological statistics (virtual CMStatistics 2020), 19 – 21 December 2020: programme and abstracts. London : CFE-CMStatistics, 2020. ISBN 9789963222797. p. 8. Prieiga per internetą: <http://www.cfenetwork.org/CFE2020/docs/BoACFECMStatistics2020.pdf?20201211020028>.
9Bagdonavičius, Vilijandas; Levulienė, Rūta. On accelerated life testing when the AFT model fails // IEEE transactions on reliability. Piscataway : IEEE. ISSN 0018-9529. eISSN 1558-1721. 2019, vol. 68, iss. 4, p. 1311-1319. DOI: 10.1109/TR.2019.2929357.
10Bagdonavičius, Vilijandas; Kruopis, Julius Jonas; Levulienė, Rūta. Matematinės statistikos uždavinynas su sprendimais. Vilnius : Vilniaus universiteto leidykla, 2019. 288 p. ISBN 9786090702475.
11Bagdonavičius, Vilijandas; Levulienė, Rūta. Testing proportional hazards for specified covariates // Modern stochastics: theory and applications. Vilnius; Kiev : VTeX. ISSN 2351-6046. eISSN 2351-6054. 2019, vol. 6, no. 2, p. 209-225. DOI: 10.15559/19-VMSTA129.
12Bagdonavičius, Vilijandas; Levulienė, Rūta. Residual based goodness-of-fit tests for linear regression models // ASMDA 2019 & DEMOGRAPHICS 2019 : the 18th conference of the applied stochastic models and data analysis, [11 - 14 June 2019, Florence, Italy ] : book of abstracts. Florence : International Society for the Advancement of Science and Technology. 2019, p. 26-27.
13Grigas, Povilas; Levulienė, Rūta; Bagdonavičius, Vilijandas; Melninkaitis, Andrius. Towards prediction of catastrophic failure events of laser-induced damage in optical laser elements // ASMDA2017 : 17th applied stochastic models and data analysis international conference with demographics workshop, 6-9 June 2017, London, UK : book of abstracts. London : ISAST: International Society for the Advancement of Science and Technology, 2017. ISBN 9786185180225. p. 88. Prieiga per internetą: <http://www.asmda.es/images/Corrected-BOOK_OF_ABSTRACTS-ASMDA2017-5-22.pdf> [žiūrėta 2017-06-16].
14Bagdonavičius, Vilijandas; Levulienė, Rūta. ALT modeling when the AFT model fails // ASMDA2017 : 17th applied stochastic models and data analysis international conference with demographics workshop, 6-9 June 2017, London, UK : book of abstracts. London : ISAST: International Society for the Advancement of Science and Technology, 2017. ISBN 9786185180225. p. 24. Prieiga per internetą: <http://www.asmda.es/images/Corrected-BOOK_OF_ABSTRACTS-ASMDA2017-5-22.pdf> [žiūrėta 2017-06-16].
15Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail; Tran, Q.X. On chi-squared type tests and their applications in survival analysis and reliability // Journal of mathematical sciences. New York : Springer. ISSN 1072-3374. 2014, vol. 199, iss. 2, p. 88-99. DOI: 10.1007/s10958-014-1835-x.
16Bagdonavičius, Vilijandas; Nikulin, Mikhail; Levulienė, Rūta. On the validity of the Weibull-Gnedenko model // Applied reliability engineering and risk analysis: probabilistic models and statistical inference / Editors : Ilia B. Frenkel, Alex Karagrigoriou, Anatoly Lisnianski, Andre V. Kleyner. Wiley, 2013. ISBN 9781118539422. p. 259-272. DOI: 10.1002/9781118701881.ch19.
17Hendrixson, Vaiva; Abaravičius, Jonas Algis; Kučinskienė, Zita Aušrelė; Masliukaitė, Ieva; Andrikonytė, Justė; Deduchova, Simona; Jablonskienė, Valerija; Kaminskas, Arvydas; Stukas, Rimantas; Barzda, Albertas; Bartkevičiūtė, Roma; Levulienė, Rūta. Food consumption survey in a group of adults at risk of poverty in Lithuania: daily intake of energy and nutrients // Annals of nutrition and metabolism. Basel : Karger. ISSN 0250-6807. 2013, vol. 63, suppl. 1, p. 1427. Prieiga per internetą: <http://www.karger.com/Article/Pdf/354245> [žiūrėta 2013-12-16].
18Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Chi-squared goodness-of-fit tests for parametric accelerated failure time models // Communications in statistics : theory and methods. Philadelphia : Taylor & Francis INC. ISSN 0361-0926. 2013, vol. 42, no 15, p. 2768-2785. DOI: 10.1080/03610926.2011.617483.
19Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Exact goodness-of-fit tests for shape-scale families and type II censoring // Lifetime data analysis. New York : Springer New York LLC. ISSN 1380-7870. 2013, vol. 19, no 3, p. 413-435. DOI: 10.1007/s10985-013-9266-4.
20Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Asymptotic analysis of a new dynamic semiparametric regression model with cross-effects of survivals // Journal of mathematical sciences. New York : Springer. ISSN 1072-3374. 2011, vol. 176, no. 2, p. 117-123. DOI: 10.1007/s10958-011-0405-8.
21Adomaitis, Robertas; Jankevičius, Feliksas; Smailytė, Giedrė; Levulienė, Rūta. Changes in prostate cancer incidence in 50–75-year-old men in Lithuania 2006–2009: effect of early diagnosis program = 50-75 metų vyrų sergamumo prostatos vėžiu kaita Lietuvoje 2006-2009 m.: ankstyvos diagnostikos programos įtaka // Acta medica Lituanica. Vilnius : Lietuvos mokslų akademija. ISSN 1392-0138. 2011, vol. 18, nr. 2, p. 47-52. DOI: 10.6001/actamedica.v18i2.1814.
22Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Goodness-of-fit criteria for the Cox model from left truncated and right censored data // Journal of mathematical sciences. New York : Springer. ISSN 1072-3374. 2010, vol. 167, no. 4, p. 436-443. DOI: 10.1007/s10958-010-9929-6.
23Bagdonavičius, Vilijandas; Levulienė, Rūta. On application of one general semiparametric survival regression model // 10th international Vilnius conference on probability theory and mathematical statistics = 10-oji tarptautinė Vilniaus tikimybių teorijos ir matematinės statistikos konferencija : [abstracts]. Vilnius : TEV, 2010. ISBN 9786094330094. p. 89.
24Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Goodness-of-fit for the cox model from left truncated and right censored data // Записки научных семинаров ПОМИ / Российская Академия Наук. Санкт-Петербург : Наука. ISSN 0132-6678. 2009, t. 368, p. 7-19.
25Kruopis, Julius Jonas; Levulienė, Rūta. Reliability estimation when failure intensity depends on calendar time = Оценка надежности, когда интенсивность отказов зависит от календарного времени = Patikimumo vertinimas, kai gedimų intensyvumas priklauso nuo kalendorinio laiko // Elektronika ir elektrotechnika / Kauno technologijos universitetas. Kaunas : Technologija. ISSN 1392-1215. 2009, nr. 5, p. 35-38. Prieiga per internetą: <http://www.ktu.lt/lt/mokslas/zurnalai/elektros_z/z93/08_ISSN_1392-1215_Reliability%20Estimation%20when%20Failure%20Intensity%20Depends%20on%20Calendar%20Time.pdf> [žiūrėta 2009-11-02].
26Levulienė, Rūta. Statistikos taikymai naudojant SAS® : mokomoji knyga. Vilnius : Vilniaus universiteto leidykla, 2009. 364 p. ISBN 9789955334767.
27Kruopis, Julius Jonas; Levulienė, Rūta. Reliability estimation when failure intensity depends on calendar time // 22nd Nordic Conference on Mathematical Statistics, 16–19 June, 2008, Vilnius, Lithuania : abstracs book. Vilnius, 2008. ISBN 9789955879138. p. 50.
28Levulienė, Rūta; Bagdonavičius, Vilijandas. Testing absence of crossing of hazard rates // 22nd Nordic Conference on Mathematical Statistics, 16–19 June, 2008, Vilnius, Lithuania : abstracs book. Vilnius, 2008. ISBN 9789955879138. p. 79.
29Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Testing absence of hazard rates crossing // ALT'2008: second international conference on accelerated life testing in reliability and quality control, June 9-11, 2008, France. Bordeux. 2008, p. 27-31.
30Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. A test for the equality of marginal disributions // Comptes rendus. Mathematique. ISSN 1631-073X. 2007, vol. 344, no. 8, p. 509-514. DOI: 10.1016/j.crma.2007.03.001.
31Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Non-parametric homogeneity tests against non-location alternatives for independent and dependent components under censoring // 9th international Vilnius conference on probability theory and mathematical statistics = 9-oji tarptautinė Vilniaus tikimybių teorijos ir matematinės statistikos konferencija : abstracts of communications. Vilnius : TEV, 2006. ISBN 9955680342. p. 94.
32Kruopis, Julius Jonas; Levulienė, Rūta; Grobovas, S.; Vaišvila, Anicetas. Kineskopų klasifikavimas taikant matematinės statistikos metodus = Классификация кинескопов методами математической статистики = Kinescope Classification using Mathematical Statistics Methods // Elektronika ir elektrotechnika. ISSN 1392-1215. 2005, nr. 5(61), p. 43-47.
33Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail; Zdorova-Cheminade, O. Tests for equality of survival distributions against non-location alternatives // Lifetime data analysis. ISSN 1380-7870. 2004, vol. 10, no. 4, p. 445-460. DOI: 10.1007/s10985-004-4777-7.
34Bagdonavičius, Vilijandas; Levulienė, Rūta; Nikulin, Mikhail. Tests for equality against the alternative of crossing of two survival functions // Comptes rendus mathematique : Elsevier. ISSN 1631-073X. 2004, vol. 339, no. 6, p. 425-428. DOI: 10.1016/j.crma.2004.06.029.
35Levulienė, Rūta. Semiparametric estimates and goodness-of-fit tests for tire wear and failure time data = Semiparametriniai įverčiai ir suderinamumo kriterijai, tiriant padangų nusidėvėjimą ir darbo laiką // Nonlinear analysis : modelling and control. Vilnius : Institute of Mathematics and Informatics. ISSN 1392-5113. 2002, vol. 7, no. 1, p. 61-95. DOI: 10.15388/NA.2002.7.1.15203.
36Bagdonavičius, Vilijandas; Levulienė, Rūta. Goodness-of-fit for the absence of memory model // 8-oji tarptautinė Vilniaus tikimybių teorijos ir matematinės statistikos konferencija : tezių rinkinys. Vilnius : TEV, 2002. ISBN 9955491183. p. 175-176.
37Bagdonavičius, Vilijandas; Levulienė, Rūta. On goodness-of-fit for the absence of memory model // Kybernetika. ISSN 0023-5954. 2002, vol. 37, no. 6, p. 685-702.