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Astronomy and Big Data - A Data Clustering Approach to Identifying Uncertain Galaxy Morphology (Hardcover, 2014 ed.): Kieran... Astronomy and Big Data - A Data Clustering Approach to Identifying Uncertain Galaxy Morphology (Hardcover, 2014 ed.)
Kieran Jay Edwards, Mohamed Medhat Gaber
R2,927 Discovery Miles 29 270 Ships in 10 - 15 working days

With the onset of massive cosmological data collection through media such as the Sloan Digital Sky Survey (SDSS), galaxy classification has been accomplished for the most part with the help of citizen science communities like Galaxy Zoo. Seeking the wisdom of the crowd for such Big Data processing has proved extremely beneficial. However, an analysis of one of the Galaxy Zoo morphological classification data sets has shown that a significant majority of all classified galaxies are labelled as Uncertain .

This book reports on how to use data mining, more specifically clustering, to identify galaxies that the public has shown some degree of uncertainty for as to whether they belong to one morphology type or another. The book shows the importance of transitions between different data mining techniques in an insightful workflow. It demonstrates that Clustering enables to identify discriminating features in the analysed data sets, adopting a novel feature selection algorithms called Incremental Feature Selection (IFS). The book shows the use of state-of-the-art classification techniques, Random Forests and Support Vector Machines to validate the acquired results. It is concluded that a vast majority of these galaxies are, in fact, of spiral morphology with a small subset potentially consisting of stars, elliptical galaxies or galaxies of other morphological variants."

Astronomy and Big Data - A Data Clustering Approach to Identifying Uncertain Galaxy Morphology (Paperback, Softcover reprint of... Astronomy and Big Data - A Data Clustering Approach to Identifying Uncertain Galaxy Morphology (Paperback, Softcover reprint of the original 1st ed. 2014)
Kieran Jay Edwards, Mohamed Medhat Gaber
R3,227 Discovery Miles 32 270 Ships in 10 - 15 working days

With the onset of massive cosmological data collection through media such as the Sloan Digital Sky Survey (SDSS), galaxy classification has been accomplished for the most part with the help of citizen science communities like Galaxy Zoo. Seeking the wisdom of the crowd for such Big Data processing has proved extremely beneficial. However, an analysis of one of the Galaxy Zoo morphological classification data sets has shown that a significant majority of all classified galaxies are labelled as “Uncertain”. This book reports on how to use data mining, more specifically clustering, to identify galaxies that the public has shown some degree of uncertainty for as to whether they belong to one morphology type or another. The book shows the importance of transitions between different data mining techniques in an insightful workflow. It demonstrates that Clustering enables to identify discriminating features in the analysed data sets, adopting a novel feature selection algorithms called Incremental Feature Selection (IFS). The book shows the use of state-of-the-art classification techniques, Random Forests and Support Vector Machines to validate the acquired results. It is concluded that a vast majority of these galaxies are, in fact, of spiral morphology with a small subset potentially consisting of stars, elliptical galaxies or galaxies of other morphological variants.

Key Meditations - Growing Closer to God (Paperback): Jay Edwards Key Meditations - Growing Closer to God (Paperback)
Jay Edwards
R288 Discovery Miles 2 880 Ships in 10 - 15 working days
The Weimar Republic Sourcebook (Paperback, Revised): Anton Kaes, Martin Jay, Edward Dimendberg The Weimar Republic Sourcebook (Paperback, Revised)
Anton Kaes, Martin Jay, Edward Dimendberg
R1,358 R1,180 Discovery Miles 11 800 Save R178 (13%) Ships in 12 - 17 working days

A laboratory for competing visions of modernity, the Weimar Republic (1918-1933) continues to haunt the imagination of the twentieth century. Its political and cultural lessons retain uncanny relevance for all who seek to understand the tensions and possibilities of our age. "The Weimar Republic Sourcebook" represents the most comprehensive documentation of Weimar culture, history, and politics assembled in any language. It invites a wide community of readers to discover the richness and complexity of the turbulent years in Germany before Hitler's rise to power. Drawing from such primary sources as magazines, newspapers, manifestos, and official documents (many unknown even to specialists and most never before available in English), this book challenges the traditional boundaries between politics, culture, and social life. Its thirty chapters explore Germany's complex relationship to democracy, ideologies of 'reactionary modernism', the rise of the 'New Woman', Bauhaus architecture, the impact of mass media, the literary life, the tradition of cabaret and urban entertainment, and the situation of Jews, intellectuals, and workers before and during the emergence of fascism. While devoting much attention to the Republic's varied artistic and intellectual achievements (the Frankfurt School, political theater, twelve-tone music, cultural criticism, photomontage, and urban planning), the book is unique for its inclusion of many lesser-known materials on popular culture, consumerism, body culture, drugs, criminality, and sexuality; it also contains a timetable of major political events, an extensive bibliography, and capsule biographies. This will be a major resource and reference work for students and scholars in history; art; architecture; literature; social and political thought; and, cultural, film, German, and women's studies.

Daniel Absolutes in a Gray World and Power, Business and Politics Volumes One and Two Combined (Hardcover): Jay Edwards Daniel Absolutes in a Gray World and Power, Business and Politics Volumes One and Two Combined (Hardcover)
Jay Edwards
R1,033 Discovery Miles 10 330 Ships in 10 - 15 working days

How did Daniel do it? How can one adhere to Christian values in a corrupt world? How does one determine the most expedient path when choosing the lesser of the evils? Born into a farming family in Indiana, Jay Edwards, along with his wife and family, has been a missionary and agricultural businessman in South America since 1987. Challenged by the difficulty of dealing first-hand with decisions pertaining to bribes, extortion, threats, unfair bidding processes, political favoritism, blackmail, kickbacks, and other unethical practices, Edwards realized that the Daniel of the Bible, in all probability, faced these issues also. If God could guide Daniel in ancient Babylon, the cradle of perversity, then He could surely guide the author through the labyrinth of politically charged ethical dilemmas so often encountered in South American bureaucracy. This fast-paced historical fiction poses possible solutions for Daniel and his friends. The book includes as an appendix, Issues Daniel Faced, which provides interesting questions and themes which may be used as a discussion guide for similar issues in our world today.

Eyes of a Princess (Paperback): Jay Edwards Eyes of a Princess (Paperback)
Jay Edwards
R448 Discovery Miles 4 480 Ships in 10 - 15 working days
Daniel Absolutes in a Gray World and Power, Business and Politics Volumes One and Two Combined (Paperback): Jay Edwards Daniel Absolutes in a Gray World and Power, Business and Politics Volumes One and Two Combined (Paperback)
Jay Edwards
R698 Discovery Miles 6 980 Ships in 10 - 15 working days

How did Daniel do it? How can one adhere to Christian values in a corrupt world? How does one determine the most expedient path when choosing the lesser of the evils? Born into a farming family in Indiana, Jay Edwards, along with his wife and family, has been a missionary and agricultural businessman in South America since 1987. Challenged by the difficulty of dealing first-hand with decisions pertaining to bribes, extortion, threats, unfair bidding processes, political favoritism, blackmail, kickbacks, and other unethical practices, Edwards realized that the Daniel of the Bible, in all probability, faced these issues also. If God could guide Daniel in ancient Babylon, the cradle of perversity, then He could surely guide the author through the labyrinth of politically charged ethical dilemmas so often encountered in South American bureaucracy. This fast-paced historical fiction poses possible solutions for Daniel and his friends. The book includes as an appendix, Issues Daniel Faced, which provides interesting questions and themes which may be used as a discussion guide for similar issues in our world today.

Cajun Country (Paperback, New): Barry Jean Ancelet, Jay Edwards, Glen Pitre Cajun Country (Paperback, New)
Barry Jean Ancelet, Jay Edwards, Glen Pitre
R863 Discovery Miles 8 630 Ships in 10 - 15 working days

The first book in the Folklife in the South series and by far the broadest look at traditional Cajun culture ever assembled. It not only describes the traditions as they are but also explains how they came to be.

Christian Living in the Home (Paperback): Jay Edward Adams Christian Living in the Home (Paperback)
Jay Edward Adams
Sold By Christian Book Discounters - Fulfilled by Loot
R357 R220 Discovery Miles 2 200 Save R137 (38%) Ships in 3 - 5 working days

This best-selling title will challenge, encourage, and aid the reader in the development of a truly Christian home.

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