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# 確率的プログラミングライブラリEdward

@Google Cloud Next'17 Cloud Community fes

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### 確率的プログラミングライブラリEdward

1. 1. Edward 2017-06-14 Cloud Community fes @ Google Cloud Next'17 Tokyo
2. 2. Yuta Kashino ( ) BakFoo, Inc. CEO Astro Physics /Observational Cosmology Zope / Python Realtime Data Platform for Enterprise / Prototyping
3. 3. Yuta Kashino ( ) arXiv stat.ML, stat.TH, cs.CV, cs.CL, cs.LG math-ph, astro-ph PyCon2016 @yutakashino https://www.slideshare.net/yutakashino/pyconjp2016
4. 4. Edward
5. 5. Edward - Dustin Tran (Open AI) - Blei Lab - (PPL) - Stan, PyMC3, Anglican, Church, Venture,Figaro, WebPPL - 2016 2 PPL - TensorFlow - George Edward Pelham Box Box-Cox Trans., Box-Jenkins, Ljung-Box test box plot Tukey, 3 2 RA Fisher
6. 6. PPL Edward TensorFlow(TF) + (PPL) TF: PPL: + + Python/Numpy
7. 7. 1. TF:
8. 8. 1. TF: - - :
9. 9. 1. TF:
10. 10. 1. TF: - - - GPU / TPU Inception v3 Inception v4
11. 11. 1. TF: - Keras, Slim - TensorBoard
12. 12. 1. TF: - DNN: NN - - … - = : DropOut DropOut : Yingzhen Li, Yarin Gal ICML, 2017
13. 13. 1. TF: - = - TF - Edward
14. 14. 2.
15. 15. 2. x: edward x⇤ s P(x | ↵) ✓⇤ ⇠ Beta(✓ | 1, 1)
16. 16. 2. - ( ) Edward p(x, ✓) = Beta(✓ | 1, 1) 50Y n=1 Bernoulli(xn | ✓),
17. 17. 2. - log_prob() - mean() - sample()
18. 18. 3.
19. 19. 3. Edward TF
20. 20. 3. 256 28*28
21. 21. 4.
22. 22. 4. X, Z Z - (Variational Bayes) - (MCMC) p(z | x) = p(x, z) R p(x, z)dz .
23. 23. 4.
24. 24. 4. p(z|x) KL q(z) ELBO
25. 25. 4. Edward KLqp
26. 26. 5. Box’s loop
27. 27. 5. Box’s loop George Edward Pelham Box Blei 2014
28. 28. 5. Box’s loop
29. 29. Edward - Edward = TensorFlow + + - TensorFlow - - TF GPU, TPU, TensorBoard, Keras - - Box’s Loop - Python
30. 30. Refrence •D. Tran, A. Kucukelbir, A. Dieng, M. Rudolph, D. Liang, and D.M. Blei. Edward: A library for probabilistic modeling, inference, and criticism.(arXiv preprint arXiv:1610.09787) •D. Tran, M.D. Hoffman, R.A. Saurous, E. Brevdo, K. Murphy, and D.M. Blei. Deep probabilistic programming.(arXiv preprint arXiv:1701.03757) •Box, G. E. (1976). Science and statistics. (Journal of the American Statistical Association, 71(356), 791–799.) •D.M. Blei. Build, Compute, Critique, Repeat: Data Analysis with Latent Variable Models. (Annual Review of Statistics and Its Application Volume 1, 2014)
31. 31. Questions kashino@bakfoo.com @yutakashino
32. 32. BakFoo, Inc. NHK NMAPS: +
33. 33. BakFoo, Inc. PyConJP 2015 Python
34. 34. BakFoo, Inc.
35. 35. BakFoo, Inc. : SNS +

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@Google Cloud Next'17 Cloud Community fes

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