Udemy - Unsupervised Machine Learning Hidden Markov Models in Pyt...

  • Category Other
  • Type Tutorials
  • Language English
  • Total size 1.8 GB
  • Uploaded By tutsnode
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  • Last checked 1 week ago
  • Date uploaded 5 years ago
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Description

The Hidden Markov Model or HMM is all about learning sequences.

A lot of the data that would be very useful for us to model is in sequences. Stock prices are sequences of prices. Language is a sequence of words. Credit scoring involves sequences of borrowing and repaying money, and we can use those sequences to predict whether or not you’re going to default. In short, sequences are everywhere, and being able to analyze them is an important skill in your data science toolbox.

The easiest way to appreciate the kind of information you get from a sequence is to consider what you are reading right now. If I had written the previous sentence backwards, it wouldn’t make much sense to you, even though it contained all the same words. So order is important.

While the current fad in deep learning is to use recurrent neural networks to model sequences, I want to first introduce you guys to a machine learning algorithm that has been around for several decades now – the Hidden Markov Model.

This course follows directly from my first course in Unsupervised Machine Learning for Cluster Analysis, where you learned how to measure the probability distribution of a random variable. In this course, you’ll learn to measure the probability distribution of a sequence of random variables.

You guys know how much I love deep learning, so there is a little twist in this course. We’ve already covered gradient descent and you know how central it is for solving deep learning problems. I claimed that gradient descent could be used to optimize any objective function. In this course I will show you how you can use gradient descent to solve for the optimal parameters of an HMM, as an alternative to the popular expectation-maximization algorithm.

We’re going to do it in Theano and Tensorflow, which are popular libraries for deep learning. This is also going to teach you how to work with sequences in Theano and Tensorflow, which will be very useful when we cover recurrent neural networks and LSTMs.

This course is also going to go through the many practical applications of Markov models and hidden Markov models. We’re going to look at a model of sickness and health, and calculate how to predict how long you’ll stay sick, if you get sick. We’re going to talk about how Markov models can be used to analyze how people interact with your website, and fix problem areas like high bounce rate, which could be affecting your SEO. We’ll build language models that can be used to identify a writer and even generate text – imagine a machine doing your writing for you. HMMs have been very successful in natural language processing or NLP.

We’ll look at what is possibly the most recent and prolific application of Markov models – Google’s PageRank algorithm. And finally we’ll discuss even more practical applications of Markov models, including generating images, smartphone autosuggestions, and using HMMs to answer one of the most fundamental questions in biology – how is DNA, the code of life, translated into physical or behavioral attributes of an organism?

All of the materials of this course can be downloaded and installed for FREE. We will do most of our work in Numpy and Matplotlib, along with a little bit of Theano. I am always available to answer your questions and help you along your data science journey.

This course focuses on “how to build and understand“, not just “how to use”. Anyone can learn to use an API in 15 minutes after reading some documentation. It’s not about “remembering facts”, it’s about “seeing for yourself” via experimentation. It will teach you how to visualize what’s happening in the model internally. If you want more than just a superficial look at machine learning models, this course is for you.

See you in class!

“If you can’t implement it, you don’t understand it”

Or as the great physicist Richard Feynman said: “What I cannot create, I do not understand”.
My courses are the ONLY courses where you will learn how to implement machine learning algorithms from scratch
Other courses will teach you how to plug in your data into a library, but do you really need help with 3 lines of code?
After doing the same thing with 10 datasets, you realize you didn’t learn 10 things. You learned 1 thing, and just repeated the same 3 lines of code 10 times…

Suggested Prerequisites:

calculus
linear algebra
probability
Be comfortable with the multivariate Gaussian distribution
Python coding: if/else, loops, lists, dicts, sets
Numpy coding: matrix and vector operations, loading a CSV file

WHAT ORDER SHOULD I TAKE YOUR COURSES IN?:

Check out the lecture “Machine Learning and AI Prerequisite Roadmap” (available in the FAQ of any of my courses, including the free Numpy course)

Who this course is for:

Students and professionals who do data analysis, especially on sequence data
Professionals who want to optimize their website experience
Students who want to strengthen their machine learning knowledge and practical skillset
Students and professionals interested in DNA analysis and gene expression
Students and professionals interested in modeling language and generating text from a model

Requirements

Familiarity with probability and statistics
Understand Gaussian mixture models
Be comfortable with Python and Numpy

Last Updated 12/2020

Files:

Unsupervised Machine Learning Hidden Markov Models in Python [TutsNode.com] - Unsupervised Machine Learning Hidden Markov Models in Python 10. Setting Up Your Environment (FAQ by Student Request)
  • 1. Windows-Focused Environment Setup 2018.mp4 (186.3 MB)
  • 1. Windows-Focused Environment Setup 2018.srt (20.1 KB)
  • 2. How to install Numpy, Scipy, Matplotlib, Pandas, IPython, Theano, and TensorFlow.mp4 (43.9 MB)
  • 2. How to install Numpy, Scipy, Matplotlib, Pandas, IPython, Theano, and TensorFlow.srt (14.5 KB)
1. Introduction and Outline
  • 1. Introduction and Outline Why would you want to use an HMM.mp4 (6.8 MB)
  • 1. Introduction and Outline Why would you want to use an HMM.srt (6.0 KB)
  • 2. Unsupervised or Supervised.mp4 (5.3 MB)
  • 2. Unsupervised or Supervised.srt (4.0 KB)
  • 3. Where to get the Code and Data.mp4 (2.1 MB)
  • 3. Where to get the Code and Data.srt (1.7 KB)
  • 3.1 Github Link.html (0.1 KB)
  • 4. Anyone Can Succeed in this Course.mp4 (77.9 MB)
  • 4. Anyone Can Succeed in this Course.srt (17.1 KB)
2. Markov Models
  • 1. The Markov Property.mp4 (24.1 MB)
  • 1. The Markov Property.srt (6.6 KB)
  • 2. Markov Models.mp4 (32.5 MB)
  • 2. Markov Models.srt (8.7 KB)
  • 3. The Math of Markov Chains.mp4 (23.9 MB)
  • 3. The Math of Markov Chains.srt (6.8 KB)
3. Markov Models Example Problems and Applications
  • 1. Example Problem Sick or Healthy.mp4 (5.5 MB)
  • 1. Example Problem Sick or Healthy.srt (4.8 KB)
  • 2. Example Problem Expected number of continuously sick days.mp4 (4.6 MB)
  • 2. Example Problem Expected number of continuously sick days.srt (3.7 KB)
  • 3. Example application SEO and Bounce Rate Optimization.mp4 (15.8 MB)
  • 3. Example application SEO and Bounce Rate Optimization.srt (10.6 KB)
  • 4. Example Application Build a 2nd-order language model and generate phrases.mp4 (26.9 MB)
  • 4. Example Application Build a 2nd-order language model and generate phrases.srt (13.9 KB)
  • 5. Example Application Google’s PageRank algorithm.mp4 (8.7 MB)
  • 5. Example Application Google’s PageRank algorithm.srt (7.3 KB)
  • 6. Suggestion Box.mp4 (16.1 MB)
  • 6. Suggestion Box.srt (4.7 KB)
4. Hidden Markov Models for Discrete Observations
  • 1. From Markov Models to Hidden Markov Models.mp4 (10.2 MB)
  • 1. From Markov Models to Hidden Markov Models.srt (8.8 KB)
  • 2. HMM - Basic Examples.mp4 (42.3 MB)
  • 2. HMM - Basic Examples.srt (10.1 KB)
  • 3. Parameters of an HMM.mp4 (31.3 MB)
  • 3. Parameters of an HMM.srt (9.0 KB)
  • 4. The 3 Problems of an HMM.mp4 (28.0 MB)
  • 4. The 3 Problems of an HMM.srt (7.5 KB)
  • 5. The Forward-Backward Algorithm (part 1).mp4 (65.1 MB)
  • 5. The Forward-Backward Algorithm (part 1).srt (20.2 KB)
  • 6. The Forward-Backward Algorithm (part 2).mp4 (27.6 MB)
  • 6. The Forward-Backward Algorithm (part 2).srt (8.2 KB)
  • 7. The Forward-Backward Algorithm (part 3).mp4 (26.0 MB)
  • 7. The Forward-Backward Algorithm (part 3).srt (9.2 KB)
  • 8. The Viterbi Algorithm (part 1).mp4 (27.6 MB)
  • 8. The Viterbi Algorithm (part 1).srt (7.4 KB)
  • 9. The Viterbi Algorithm (part 2).mp4 (59.3 MB)
  • 9. The Viterbi Algorithm (part 2).srt (17.6 KB)
  • 10. HMM Training (part 1).mp4 (20.6 MB)
  • 10. HMM Training (part 1).srt (5.7 KB)
  • 11. HMM Training (part 2).mp4 (40.0 MB)
  • 11. HMM Training (part 2).srt (11.7 KB)
  • 12. HMM Training (part 3).mp4 (60.1 MB)
  • 12. HMM Training (part 3).srt (15.8 KB)
  • 13. HMM Training (part 4).mp4 (55.6 MB)
  • 13. HMM Training (part 4).srt (14.2 KB)
  • 14. How to Choose the Number of Hidden States.mp4 (33.9 MB)
  • 14. How to Choose the Number of Hidden States.srt (9.3 KB)
  • 15. Baum-Welch Updates for Multiple Observations.mp4 (7.5 MB)
  • 15. Baum-Welch Updates for Multiple Observations.srt (5.9 KB)
  • 16. Discrete HMM in Code.mp4 (47.4 MB)
  • 16. Discrete HMM in Code.srt (15.4 KB)
  • 17. The underflow problem and how to solve it.mp4 (7.7 MB)
  • 17. The underflow problem and how to solve it.srt (6.4 KB)
  • 18. Discrete HMM Updates in Code with Scaling.mp4 (29.1 MB)
  • 18. Discrete HMM Updates in Code with Scaling.srt (9.0 KB)
  • 19. Scaled Viterbi Algorithm in Log Space.mp4 (9.2 MB)
  • 19. Scaled Viterbi Algorithm in Log Space.srt (2.7 KB)
5. Discrete HMMs Using Deep Learning Libraries
  • 1. Gradient Descent Tutorial.mp4 (22.8 MB)
  • 1. Gradient Descent Tutorial.srt (5.5 KB)
  • 2. Theano Scan Tutorial.mp4 (23.8 MB)
  • 2. Theano Scan Tutorial.srt (12.8 KB)
  • 3. Discrete HMM in Theano.mp4 (30.7 MB)
  • 3. Discrete HMM in Theano.srt (8.4 KB)
  • 4. Improving our Gradient Descent-Based HMM.mp4 (25.9 MB)
  • 4. Improving our Gradient Descent-Based HMM.srt (6.4 KB)
  • 5. Tensorflow Scan Tutorial.mp4 (23.1 MB)
  • 5. Tensorflow Scan Tutorial.srt (14.9 KB)
  • 6. Discrete HMM in Tensorflow.mp4 (16.4 MB)
  • 6. Discrete HMM in Tensorflow.srt (8.9 KB)
6. HMMs for Continuous Observations
  • 1. Gaussian Mixture Models with Hidden Markov Models.mp4 (16.5 MB)
  • 1. Gaussian Mixture Models with Hidden Markov Models.srt (5.2 KB)
  • 2. Generating Data from a Real-Valued HMM.mp4 (14.9 MB)
  • 2. Generating Data from a Real-Valued HMM.srt (4.6 KB)
  • 3. Continuous-Observation HMM in Code (part 1).mp4 (46.7 MB)
  • 3. Continuous-Observation HMM in Code (part 1).srt (13.1 KB)
  • 4. Continuous-Observation HMM in Code (part 2).mp4 (15.3 MB)
  • 4. Continuous-Observation HMM in Code (part 2).srt (3.3 KB)
  • 5. Continuous HMM in Theano.mp4 (45.4 MB)
  • 5. Continuous HMM in Theano.srt (11.9 KB)
  • 6. Continuous HMM in Tensorflow.mp4 (22.5 MB)
  • 6. Continuous HMM in Tensorflow.srt (10.8 KB)
7. HMMs for Classification
  • 1. Generative vs. Discriminative Classifiers.mp4 (4.1 MB)
  • 1. Generative vs. Discriminative Classifiers.srt (3.6 KB)
  • 2. HMM Classification on Poetry Data (Robert Frost vs. Edgar Allan Poe).mp4 (24.4 MB)
  • 2. HMM Classification on Poetry Data (Robert Frost vs. Edgar Allan Poe).srt (8.8 KB)
8. Bonus Example Parts-of-Speech Tagging
  • 1. Parts-of-Speech Tagging Concepts.mp4 (8.5 MB)
  • 1. Parts-of-Speech Tagging Concepts.srt (7.0 KB)
  • 2. POS Tagging with an HMM.mp4 (14.4 MB)
  • 2. POS Tagging with an HMM.srt (5.2 KB)
9. Theano, Tensorflow, and Machine Learning Basics Review
  • 1. (Review) Gaussian Mixture Models.mp4 (5.0 MB)
  • 1. (Review) Gaussian Mixture Models.srt (3.7 KB)
  • 2. (Review) Theano Tutorial.mp4 (19.9 MB)
  • 2. (Review) Theano Tutorial.srt (7.9 KB)
  • 3. (Review) Tensorflow Tutorial.mp4 (13.9 MB)
  • 3. (Review) Tensorflow Tutorial.srt (5.9 KB)
11. Extra Help With Python Coding for Beginners (FAQ by Student Request)
  • 1. How to Code by Yourself (part 1).mp4 (24.5 MB)
  • 1. How to Code by Yourself (part 1).srt (22.8 KB)
  • 2. How to Code by Yourself (part 2).mp4 (14.8 MB)
  • 2. How to Code by Yourself (part 2).srt (13.3 KB)
  • 3. Proof that using Jupyter Notebook is the same as not using it.mp4 (78.3 MB)
  • 3. Proof that using Jupyter Notebook is the same as not using it.srt (14.1 KB)
  • 4. Python 2 vs Python 3.mp4 (7.8 MB)
  • 4. Python 2 vs Python 3.srt (6.1 KB)
12. Effective Learning Strategies for Machine Learning (FAQ by Student Request)
  • 1. How to Succeed in this Course (Long Version).mp4 (18.3 MB)
  • 1. How to Succeed in this Course (Long Version).srt (14.5 KB)
  • 2. Is this for Beginners or Experts Academic or Practical Fast or slow-paced.mp4 (39.0 MB)
  • 2. Is this for Beginners or Experts Academic or Practical Fast or slow-paced.srt (31.8 KB)
  • 3. Machine Learning and AI Prerequisite Roadmap (pt 1).mp4 (29.3 MB)
  • 3. Machine Learning and AI Prerequisite Roadmap (pt 1).srt (16.0 KB)
  • 4. Machine Learning and AI Prerequisite Roadmap (pt 2).mp4 (37.6 MB)
  • 4. Machine Learning and AI Prerequisite Roadmap (pt 2).srt (23.0 KB)
13. Appendix FAQ Finale
  • 1. What is the Appendix.mp4 (5.5 MB)
  • 1. What is the Appendix.srt (3.7 KB)
  • 2. BONUS Where to get Udemy coupons and FREE deep learning material.mp4 (37.8 MB)
  • 2. BONUS Where to get Udemy coupons and FREE deep learning material.srt (7.9 KB)
  • TutsNode.com.txt (0.1 KB)
  • [TGx]Downloaded from torrentgalaxy.to .txt (0.6 KB)

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