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Learning Vector Quantization LVQ

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  • DOWNLOAD THIS BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download Full EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download Full doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book THIS can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story THIS Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money THIS the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths THIS Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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  • DOWNLOAD THIS BOOKS INTO AVAILABLE FORMAT (2019 Update) ......................................................................................................................... ......................................................................................................................... Download Full PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download Full EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download Full doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download PDF EBOOK here { https://soo.gd/irt2 } ......................................................................................................................... Download EPUB Ebook here { https://soo.gd/irt2 } ......................................................................................................................... Download doc Ebook here { https://soo.gd/irt2 } ......................................................................................................................... ......................................................................................................................... ................................................................................................................................... eBook is an electronic version of a traditional print book THIS can be read by using a personal computer or by using an eBook reader. (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of the eBook (or other reading material) from a Web site (such as Barnes and Noble) to be read from the user's computer or reading device. Generally, an eBook can be downloaded in five minutes or less ......................................................................................................................... .............. Browse by Genre Available eBooks .............................................................................................................................. Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, ......................................................................................................................... ......................................................................................................................... .....BEST SELLER FOR EBOOK RECOMMEND............................................................. ......................................................................................................................... Blowout: Corrupted Democracy, Rogue State Russia, and the Richest, Most Destructive Industry on Earth,-- The Ride of a Lifetime: Lessons Learned from 15 Years as CEO of the Walt Disney Company,-- Call Sign Chaos: Learning to Lead,-- StrengthsFinder 2.0,-- Stillness Is the Key,-- She Said: Breaking the Sexual Harassment Story THIS Helped Ignite a Movement,-- Atomic Habits: An Easy & Proven Way to Build Good Habits & Break Bad Ones,-- Everything Is Figureoutable,-- What It Takes: Lessons in the Pursuit of Excellence,-- Rich Dad Poor Dad: What the Rich Teach Their Kids About Money THIS the Poor and Middle Class Do Not!,-- The Total Money Makeover: Classic Edition: A Proven Plan for Financial Fitness,-- Shut Up and Listen!: Hard Business Truths THIS Will Help You Succeed, ......................................................................................................................... .........................................................................................................................
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Learning Vector Quantization LVQ

  1. 1. Machine Learning & Neural Networks Eric Postma IKAT
  2. 2. Contenido <ul><li>Perceptron y perceptrón multicapa </li></ul><ul><li>Learning Vector Quantisation </li></ul><ul><li>Kohonen Self-Organising Feature Map </li></ul><ul><li>Multidimensional Scaling (optional) </li></ul>
  3. 3. Perceptrón
  4. 4. Deducción de la regla delta de aprendizaje Target output Actual output h = i
  5. 5. Perceptrón Multicapa
  6. 6. Función sigmoidal <ul><li>Puede ser también tanh (<-1,+1> ipv <0,1>) </li></ul><ul><li>Obteniendo f’(x) = f(x) [1 – f(x)] </li></ul>
  7. 7. Deducción de la regla delta generalizada
  8. 8. Función de error (LMS)
  9. 9. Ajuste del vector de pesos (capa oculta – salida)
  10. 10. Ajuste del vector de pesos (capa de entrada – capa oculta)
  11. 11. Propagación hacia adelante y retropropagación
  12. 12. El problema de muestras dispersas <ul><li>Los puntos (muestras) dispersos tienen la mayor contribución en el error total </li></ul>outlier
  13. 13. Solución al problema de los puntos dispersos <ul><li>Error Minkowsky (R < 2) </li></ul><ul><li>Para R = 1 es el mínimo de la función de error de mediana de los datos ( Número de puntos < mediana = Número de puntos > mediana ) </li></ul>
  14. 14. El problema de inversión x t x t Functional mapping Non-functional inverse mapping
  15. 15. Ejemplo: análisis espectral
  16. 16. Alternativa: modelos mixtos <ul><li>Entrada de la red: vector de parámetros </li></ul><ul><li>Una combinación lineal de funciones kernel parametrizadas (p.e. Funciones Gaussianas) dada como salida </li></ul><ul><li>El vector de parámetros determina la forma de las funciones kernel </li></ul>
  17. 17. Solución m.b.v. Modelo mixto x t Non-functional inverse mapping
  18. 18. Weight decay <ul><li>Conjunción del valor absoluto de los pesos </li></ul><ul><li>Resulta en un modelo simple </li></ul><ul><li>El parametro Lambda determina el peso relativo </li></ul>
  19. 19. Regla delta generalizada con Weight Decay <ul><li>Deducción de la regla delta generalizada para una red con LMS error + weight decay </li></ul>
  20. 20. Regla de aprendizaje con weight decay
  21. 21. Cushings Dataset
  22. 22. Algunos resultados… <ul><li>Perceptrón multicapa (2-2-3) </li></ul><ul><li>1 capa oculta </li></ul><ul><li>Conexión directa entrada-salida </li></ul><ul><li>Salida Soft-max </li></ul><ul><li>Total 21 pesos </li></ul>
  23. 23. 2 hidden (perfect fit)
  24. 24. 2 hidden (perfect fit)
  25. 25. 2 hidden, lambda = 0.001 (smoother) = Lokaal minimum
  26. 26. 2 hidden, lambda = 0.01 = Lokaal minimum
  27. 27. 5 hidden, lambda = 0.01
  28. 28. 20 hidden, lambda = 0.01
  29. 29. Learning Vector Quantisation (LVQ)
  30. 46. Self-organizing Feature Maps Teuvo Kohonen
  31. 47. Inspiración biológica <ul><li>Imágenes topográficas en la corteza </li></ul><ul><li>Corteza visual </li></ul><ul><li>Corteza somatosensorial </li></ul><ul><li>Corteza motora </li></ul><ul><li>Corteza inferotemporal </li></ul>
  32. 48. La diferencia más importante con LVQ <ul><li>La vecindad </li></ul>
  33. 56. SOM toegepast op tijdreeksen
  34. 57. Matlab SOM toolbox
  35. 58. Los datos (3D)
  36. 59. Unified Distance Matrix
  37. 60. Sammon mapping
  38. 61. Hit histogram 1 (numeric)
  39. 62. Hit histogram 2 (size)

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