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Hands-On Markov Models with Python : Implement Probabilistic Models for Learning Complex Data Sequences Using the Python Ecosystem. [electronic resource]
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| 자료유형 | E-Book |
|---|---|
| 개인저자 | Ankan, Ankur. Panda, Abinash. |
| 서명/저자사항 | Hands-On Markov Models with Python :Implement Probabilistic Models for Learning Complex Data Sequences Using the Python Ecosystem.[electronic resource] |
| 발행사항 | Birmingham : Packt Publishing Ltd, 2018. |
| 형태사항 | 1 online resource (172 pages) |
| 소장본 주기 | Added to collection customer.56279.3 |
| ISBN | 9781788629331 1788629337 |
| 내용주기 | Cover; Title Page; Copyright and Credits; Packt Upsell; Contributors; Table of Contents; Preface; Chapter 1: Introduction to the Markov Process; Random variables; Random processes; Markov processes; Installing Python and packages; Installation on Windows; Installation on Linux; Markov chains or discrete-time Markov processes; Parameterization of Markov chains; Properties of Markov chains; Reducibility; Periodicity; Transience and recurrence; Mean recurrence time; Expected number of visits; Absorbing states; Ergodicity; Steady-state analysis and limiting distributions. Continuous-time Markov chainsExponential distributions; Poisson process; Continuous-time Markov chain example; Continuous-time Markov chain; Summary; Chapter 2: Hidden Markov Models; Markov models; State space models; The HMM; Parameterization of HMM; Generating an observation sequence; Installing Python packages; Evaluation of an HMM; Extensions of HMM; Factorial HMMs; Tree-structured HMM; Summary; Chapter 3: State Inference -- Predicting the States; State inference in HMM; Dynamic programming; Forward algorithm. Computing the conditional distribution of the hidden state given the observationsBackward algorithm; Forward-backward algorithm (smoothing); The Viterbi algorithm; Summary; Chapter 3: Parameter Learning Using Maximum Likelihood; Maximum likelihood learning; MLE in a coin toss; MLE for normal distributions; MLE for HMMs; Supervised learning; Code; Unsupervised learning; Viterbi learning algorithm; The Baum-Welch algorithm (expectation maximization); Code; Summary; Chapter 4: Parameter Inference Using the Bayesian Approach; Bayesian learning; Selecting the priors; Intractability. Bayesian learning in HMMApproximating required integrals; Sampling methods; Laplace approximations; Stolke and Omohundro's method; Variational methods; Code; Summary; Chapter 5: Time Series Predicting; Stock price prediction using HMM; Collecting stock price data; Features for stock price prediction; Predicting price using HMM; Summary; Chapter 6: Natural Language Processing; Part-of-speech tagging; Code; Getting data; Exploring the data; Finding the most frequent tag; Evaluating model accuracy; An HMM-based tagger; Speech recognition; Python packages for speech recognition. Basics of SpeechRecognitionSpeech recognition from audio files; Speech recognition using the microphone; Summary; Chapter 7: 2D HMM for Image Processing; Recap of 1D HMM; 2D HMMs; Algorithm; Assumptions for the 2D HMM model; Parameter estimation using EM; Summary; Chapter 8: Markov Decision Process; Reinforcement learning; Reward hypothesis; State of the environment and the agent; Components of an agent; The Markov reward process; Bellman equation; MDP; Code example; Summary; Other Books You May Enjoy; Index. |
| 요약 | This book will help you become familiar with HMMs and different inference algorithms by working on real-world problems. You will start with an introduction to the basic concepts of Markov chains, Markov processes and then delve deeper into understanding hidden Markov models and its types using practical examples. |
| 일반주제명 | Python. Machine learning. Machine learning. |
| 언어 | 영어 |
| 기타형태 저록 | Print version:Ankan, Ankur.Hands-On Markov Models with Python : Implement Probabilistic Models for Learning Complex Data Sequences Using the Python Ecosystem.Birmingham : Packt Publishing Ltd, 짤20189781788625449 |
| 대출바로가기 | http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=1904975 |
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| No. | 등록번호 | 청구기호 | 소장처 | 도서상태 | 반납예정일 | 예약 | 서비스 | 매체정보 |
|---|---|---|---|---|---|---|---|---|
| 1 | WE00016345 | 005.133 | 가야대학교/전자책서버(컴퓨터서버)/ | 대출가능 |
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