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1 |
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|a Coelho, Luis Pedro,
|e author.
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245 |
1 |
0 |
|a Building machine learning systems with Python :
|b get more from your data through creating practical machine learning systems with Python /
|c Luis Pedro Coelho, Willi Richert.
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250 |
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|a Second edition.
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264 |
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1 |
|a Birmingham, England :
|b Packt Publishing,
|c 2015.
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264 |
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|c Ã2015
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300 |
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|a 1 online resource (326 pages) :
|b illustrations.
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|a text
|b txt
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|a computer
|b c
|2 rdamedia
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|a online resource
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|a text file
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490 |
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|a Community experience distilled
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500 |
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|a Includes index.
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588 |
0 |
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|a Online resource; title from PDF title page (ebrary, viewed April 11, 2015).
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588 |
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|a Print version record.
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|a Cover; Copyright; Credits; About the Authors; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1: Getting Started with Python Machine Learning; Machine learning and Python -- a dream team; What the book will teach you (and what it will not); What to do when you are stuck; Getting started; Introduction to NumPy, SciPy, and matplotlib; Installing Python; Chewing data efficiently with NumPy and intelligently with SciPy; Learning NumPy; Indexing; Handling nonexisting values; Comparing the runtime; Learning SciPy; Our first (tiny) application of machine learning
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505 |
8 |
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|a Reading in the dataPreprocessing and cleaning the data; Choosing the right model and learning algorithm; Before building our first model ... ; Starting with a simple straight line; Towards some advanced stuff; Stepping back to go forward -- another look at our data; Training and testing; Answering our initial question; Summary; Chapter 2: Classifying with Real-world Examples; The Iris dataset; Visualization is a good first step; Building our first classification model; Evaluation -- holding out data and cross-validation; Building more complex classifiers
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|a A more complex dataset and a more complex classifierLearning about the Seeds dataset; Features and feature engineering; Nearest neighbor classification; Classifying with scikit-learn; Looking at the decision boundaries; Binary and multiclass classification; Summary; Chapter 3: Clustering -- Finding Related Posts; Measuring the relatedness of posts; How not to do it; How to do it; Preprocessing -- similarity measured as a similar number of common words; Converting raw text into a bag of words; Counting words; Normalizing word count vectors; Removing less important words; Stemming
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|a Stop words on steroidsOur achievements and goals; Clustering; K-means; Getting test data to evaluate our ideas on; Clustering posts; Solving our initial challenge; Another look at noise; Tweaking the parameters; Summary; Chapter 4: Topic Modeling; Latent Dirichlet allocation; Building a topic model; Comparing documents by topics; Modeling the whole of Wikipedia; Choosing the number of topics; Summary; Chapter 5: Classification -- Detecting Poor Answers; Sketching our roadmap; Learning to classify classy answers; Tuning the instance; Tuning the classifier; Fetching the data
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|a Slimming the data down to chewable chunksPreselection and processing of attributes; Defining what is a good answer; Creating our first classifier; Starting with kNN; Engineering the features; Training the classifier; Measuring the classifier's performance; Designing more features; Deciding how to improve; Bias-variance and their tradeoff; Fixing high bias; Fixing high variance; High bias or low bias; Using logistic regression; A bit of math with a small example; Applying logistic regression to our post classification problem; Looking behind accuracy -- precision and recall
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520 |
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|a This book primarily targets Python developers who want to learn and use Python's machine learning capabilities and gain valuable insights from data to develop effective solutions for business problems.
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546 |
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|a English.
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590 |
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|a eBooks on EBSCOhost
|b EBSCO eBook Subscription Academic Collection - Worldwide
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650 |
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|a Python (Computer program language)
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650 |
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|a Machine learning.
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650 |
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|a Python (Langage de programmation)
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|a Apprentissage automatique.
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|a COMPUTERS
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|a Python (Computer program language)
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|0 (OCoLC)fst01084736
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700 |
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|a Richert, Willi,
|e author.
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776 |
0 |
8 |
|i Print version:
|a Coelho, Luis Pedro.
|t Building machine learning systems with Python.
|b Second edition
|z 9781784392772
|
830 |
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0 |
|a Community experience distilled.
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856 |
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