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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">ARTIFICIAL INTELLIGENCE AND DECISION MAKING</journal-id><journal-title-group><journal-title xml:lang="en">ARTIFICIAL INTELLIGENCE AND DECISION MAKING</journal-title><trans-title-group xml:lang="ru"><trans-title>Искусственный интеллект и принятие решений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2071-8594</issn></journal-meta><article-meta><article-id pub-id-type="publisher-id">265527</article-id><article-id pub-id-type="doi">10.14357/20718594240210</article-id><article-id pub-id-type="edn">CEACUQ</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis of Signals, Audio and Video Information</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Анализ сигналов, аудио и видео информации</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">A fast optimization technique for the regression estimation of the probability density of a one-dimensional random variable</article-title><trans-title-group xml:lang="ru"><trans-title>Быстрая методика оптимизации регрессионной оценки плотности вероятности одномерной случайной величины</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lapko</surname><given-names>Alesander V.</given-names></name><name xml:lang="ru"><surname>Лапко</surname><given-names>Александр Васильевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Technical Sciences, Professor, Honored Scientist of the Russian Federation, Honorary Worker of Higher Professional Education of the Russian Federation, Chief Researcher, Professor of the Department of Space Facilities and Technologies</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, заслуженный деятель науки РФ, почётный работник высшего профессионального образования РФ, главный научный сотрудник, профессор кафедры космических средств и технологий</p></bio><email>lapko@icm.krasn.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Lapko</surname><given-names>Vasiliy A.</given-names></name><name xml:lang="ru"><surname>Лапко</surname><given-names>Василий Александрович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Technical Sciences, Professor, Leading Researcher, Head of the Department of Space Facilities and Technologies</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, ведущий научный сотрудник, заведующий кафедрой космических средств и технологий</p></bio><email>valapko@yandex.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Computational Modelling SB RAS</institution></aff><aff><institution xml:lang="ru">Институт вычислительного моделирования Сибирского отделения РАН</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Reshetnev Siberian State University of Science and Technology</institution></aff><aff><institution xml:lang="ru">Сибирский государственный университет науки и технологий имени акад. М. Ф. Решетнева</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-08-05" publication-format="electronic"><day>05</day><month>08</month><year>2024</year></pub-date><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>123</fpage><lpage>131</lpage><history><date date-type="received" iso-8601-date="2024-10-05"><day>05</day><month>10</month><year>2024</year></date><date date-type="accepted" iso-8601-date="2024-10-05"><day>05</day><month>10</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, ФИЦ ИУ РАН</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024,</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">ФИЦ ИУ РАН</copyright-holder></permissions><self-uri xlink:href="https://journals.rcsi.science/2071-8594/article/view/265527">https://journals.rcsi.science/2071-8594/article/view/265527</self-uri><abstract xml:lang="en"><p>A method is proposed for the fast selection of the blurriness coefficient of the kernel functions of the regression estimation of the probability density of a one-dimensional random variable. For a fast selection, the results of studying the asymptotic properties of the regression estimate of the probability density are used. A method for estimating the components of the optimal blurriness coefficient is proposed. The method of computational experiment is used to analyze the effectiveness of the proposed approach for a fast selection of the blurriness coefficient of the regression estimate of the probability density for a family of lognormal distribution laws for different volumes of initial data, and promising procedures for sampling the range of values of a random variable.</p></abstract><trans-abstract xml:lang="ru"><p>Предлагается методика быстрого выбора коэффициента размытости ядерных функций регрессионной оценки плотности вероятности одномерной случайной величины. Для этого используются результаты исследования асимптотических свойств регрессионной оценки плотности вероятности. Предложена методика оценивания составляющих оптимального коэффициента размытости. Методом вычислительного эксперимента анализируется эффективность предлагаемого подхода быстрого выбора коэффициентов размытости регрессионной оценки плотности вероятности для семейства логнормальных законов распределения при различных объемах исходных данных и перспективных процедур дискретизации области значений случайной величины.</p></trans-abstract><kwd-group xml:lang="en"><kwd>regression estimation of probability density</kwd><kwd>large volume samples</kwd><kwd>selection of blurriness coefficients</kwd><kwd>sampling of the range of values of random variables</kwd><kwd>lognormal distribution law</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>регрессионная оценка плотности вероятности</kwd><kwd>выборки большого объема</kwd><kwd>выбор коэффициентов размытости</kwd><kwd>дискретизация области значений случайных величин</kwd><kwd>логнормальный закон распределения</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Lapko A.V., Lapko V.A. 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