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Hasil Pencarian

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Dudoit, Sandrine, editor
"The purpose of this volume is to provide an overview of Terry Speed’s contributions to statistics and beyond. Each of the fifteen chapters concerns a particular area of research and consists of a commentary by a subject-matter expert and selection of representative papers. The chapters, organized more or less chronologically in terms of Terry’s career, encompass a wide variety of mathematical and statistical domains, along with their application to biology and medicine. Accordingly, earlier chapters tend to be more theoretical, covering some algebra and probability theory, while later chapters concern more recent work in genetics and genomics. The chapters also span continents and generations, as they present research done over four decades, while crisscrossing the globe.
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New York: [Springer, ], 2012
e20419088
eBooks  Universitas Indonesia Library
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Selvin, Steve
New Jersey: Pearson - Prentice Hall, 2004
610.7 SEL b
Buku Teks  Universitas Indonesia Library
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Geer, Sara van de
"With this collections volume, some of the important works of Willem van Zwet are moved to the front layers of modern statistics. The papers are grouped into six themes, fundamental statistics, asymptotic theory, second-order approximations, resampling, applications, and probability. This volume serves as basic reference for fundamental statistical theory, and at the same time reveals some of its history."
New York: [Springer, ], 2012
e20419092
eBooks  Universitas Indonesia Library
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Siregar, Martha Leni
"Hubungan antara kecepatan dengan kecelakaan lalu lintas merupakan ranah penelitian yang banyak dilakukan dengan berbagai pendekatan. Berbagai studi telah dilakukan untuk menginvestigasi seberapa besar perubahan kecepatan rata-rata terhadap jumlah kecelakaan dan tingkat keparahannya dengan menggunakan berbagai definisi variasi kecepatan. Karakteristik kecepatan yang timbul akibat heterogenitas lalu lintas belum banyak diperhitungkan dalam berbagai penelitian. Dengan pendekatan heterogenitas kecepatan, kecepatan tidak dilihat sebagai besaran tunggal melainkan terdiri dari berbagai karakteristik kecepatan menurut jenis kendaraan. Penelitian ini bertujuan untuk mengembangkan model keselamatan lalu lintas dengan heterogenitas kecepatan dimana kinerja keselamatan dinyatakan dalam bentuk indeks Accident Modification Factor (AMF). Heterogenitas kecepatan mengacu pada kecepatan beberapa kategori kendaraan. Jenis data meliputi data lalu lintas, volume dan geometrik jalan dari 18 jalan di 8 provinsi di Indonesia: Sulawesi Tengah, Sulawesi Tenggara, Sulawesi Selatan, Kalimantan Barat, Kalimantan Tengah, NTB, NTT dan Bali. Penelitian ini difokuskan pada beberapa sub topik yang berkaitan dan juga secara independen menjawab permasalahan penelitian. Terdapat enam kategori kendaraan yang digunakan dalam studi ini, yakni: mobil, paratransit, pikap, bus, truk dan sepeda motor. Pengelompokkan ini didasari pada karakteristik fungsi dan perilaku kecepatannya serta keberadaanya di jalan antar-kota. Untuk mendapatkan efek langsung dan efek tidak langsung dari lalu lintas yang heterogen, volume, kecepatan dan deviasi standar kecepatan menurut kategori kendaraan, kondisi permukaan jalan dalam bentuk nilai IRI, serta kondisi geometrik jalan dianalisis sebagai variabel prediktor fatality rate dan accident rate. Structural Equation Modelling digunakan agar dapat dikembangkan persamaan simultan dimana tiap persamaan memiliki variabel eksplanatori bersama, tetapi tidak ada variable yang sekaligus merupakan variabel dependen. Pemodelan hubungan antara perubahan kecepatan dengan jumlah kecelakaan (no. of accidents) dan korban (no. of injuries) dilakukan dengan mengadopsi power model. Accident Modification Factor merupakan transformasi hubungan kecepatan dengan fatality rate, accident rate, jumlah kecelakaan (no. of accidents) dan jumlah korban (no. of injuries) dalam bentuk rasio sebagai indikator keselamatan. Hasil analisis menunjukkan bahwa pada jalan dengan lalu lintas campur, pendekatan heterogenitas kecepatan menghasilkan model yang dapat digunakan dalam evaluasi keselamatan jalan dengan melihat efek perubahan kecepatan kendaraan kategori tertentu. Bagian-bagian dari penelitian ini merupakan satu kesatuan yang dapat berkontribusi pada pengembangan program peningkatan keselamatan jalan pada jalan antar kota di Indonesia.

The relationship between speed and traffic accidents is the domain of research that is widely modelled with various approaches. Various studies have investigated how the average speed changes with the number of accidents and the severity using various definitions of speed variation. The speed variations used vary by definition, and speed is generally regarded as a single speed representing all types of vehicles. The characteristics of speed arising from traffic heterogeneity have not been widely taken into account in various studies. With the approach of speed heterogeneity, speed is not seen as a single magnitude but instead consists of various speed characteristics according to the vehicle types. Speed heterogeneity can be seen from the speed and standard speed deviation of a vehicle category. This research aims to develop a traffic safety model with speed heterogeneity. Safety performance is expressed in the form of Accident Modification Factor (AMF) index. The data types include traffic data, road volumes and geometrics from 18 roads in 8 provinces in Indonesia: Sulawesi Tengah, Southeast Sulawesi, South Sulawesi, West Kalimantan, Central Kalimantan, NTB, NTT and Bali. This study focuses on several related sub-topics and independently addresses research issues to get a complete picture of the characteristics of speed, geometry, and accidents.. Structural Equation Modelling is used to develop simultaneous fatality rate and accident rate equations with shared explanatory variables, but no variable is at once a dependent variable. The relationship between the average speed of vehicles per category as dependent variables lies in the correlation between errors of each equation. Traffic volume, speed and standard deviation of speed by vehicle category, road surface conditions in the form of IRI values, and geometric conditions of roads are hypothesized as variable predictors of fatality and accident rates, and the direct effects and indirect effects of heterogeneous traffic are analyzed. Modelling the relationship between speed changes with the number of accidents and victims is done by adopting a power model. Accident Modification Factor is a transformation of speed relationship with fatality rate, accident rate, number of accidents and number of victims in ratios as an indicator of safety. The results of the analysis showed that on roads with mixed traffic, the approach of speed heterogeneity resulted in a model that could be used in road safety evaluation by looking at the effect of vehicle speed changes in certain categories. Parts of this study can contribute to the development of road safety improvement programs on intercity roads in Indonesia"
Depok: Fakultas Teknik Universitas Indonesia, 2021
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UI - Disertasi Membership  Universitas Indonesia Library
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"This book reports on cutting-edge theories and methods for analyzing complex systems, such as transportation and communication networks and discusses multi-disciplinary approaches to dependability problems encountered when dealing with complex systems in practice. The book presents the most noteworthy methods and results discussed at the International Conference on Reliability and Statistics in Transportation and Communication (RelStat), which took place in Riga, Latvia on October 17-20, 2018. It spans a broad spectrum of topics, from mathematical models and design methodologies, to software engineering, data security and financial issues, as well as practical problems in technical systems, such as transportation and telecommunications, and in engineering education."
Switzerland: Springer Nature, 2019
e20509886
eBooks  Universitas Indonesia Library
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Faddeev, L. D.
New Jersey : World Scientific, 2015
530.15 FAD f
Buku Teks  Universitas Indonesia Library
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Soedarso
Jakarta: Gramedia Pustaka Utama, 2000
418.4 SOE s
Buku Teks  Universitas Indonesia Library
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"The nearshoreis known as the dynamic zone which characterized by a dynamic interaction between waves and underlying bathymetry.The characteristic of bathymetry and its evolution are very important for coastal engineering applications and development
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Artikel Jurnal  Universitas Indonesia Library
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Phipps, Clarence A.
Lilburn, Georgia: Fairmont Press, 1994
621.85 PHI v
Buku Teks  Universitas Indonesia Library
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James, Henry, 1843-1916
London: Leopard Books , 1994
813.54 JAM s
Buku Teks  Universitas Indonesia Library
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