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Machine Learning Solutions Expert techniques to tackle complex machine learning problems using Python. [electronic resource]
Thanaki, Jalaj
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| 자료유형 | E-BOOK |
|---|---|
| 서명/저자사항 | Machine Learning Solutions [electronic resource]: Expert techniques to tackle complex machine learning problems using Python./ Jalaj Thanaki. |
| 개인저자 | Thanaki, Jalaj, |
| 발행사항 | Birmingham: Packt Publishing, 2018. |
| 형태사항 | 1 online resource (567 pages). |
| 기타형태 저록 | Print version: Thanaki, Jalaj. Machine Learning Solutions : Expert techniques to tackle complex machine learning problems using Python. Birmingham : Packt Publishing, ©2018 |
| ISBN | 9781788398893 1788398890 |
| 일반주기 |
Implementing logistic regression.
|
| 내용주기 | Cover; Copyright; Foreword; Contributors; Table of Contents; Preface; Chapter 1: Credit Risk Modeling; Introducing the problem statement; Understanding the dataset; Understanding attributes of the dataset; Data analysis; Data preprocessing; Basic data analysis followed by data preprocessing; Number of dependents; Feature engineering for the baseline model; Finding out Feature importance; Selecting machine learning algorithms; K-Nearest Neighbor (KNN); Logistic regression; AdaBoost; GradientBoosting; RandomForest; Training the baseline model; Understanding the testing matrix. The Mean accuracy of the trained modelsThe ROC-AUC score; ROC; AUC; Testing the baseline model; Problems with the existing approach; Optimizing the existing approach; Understanding key concepts to optimize the approach; Cross-validation; Hyperparameter tuning; Implementing the revised approach; Implementing a cross-validation based approach; Implementing hyperparameter tuning; Implementing and testing the revised approach; Understanding problems with the revised approach; Best approach; Implementing the best approach; Log transformation of features; Voting-based ensemble ML model. Running ML models on real test dataSummary; Chapter 2: Stock Market Price Prediction; Introducing the problem statement; Collecting the dataset; Collecting DJIA index prices; Collecting news articles; Understanding the dataset; Understanding the DJIA dataset; Understanding the NYTimes news article dataset; Data preprocessing and data analysis; Preparing the DJIA training dataset; Basic data analysis for a DJIA dataset; Preparing the NYTimes news dataset; Converting publication date into the YYYY-MM-DD format; Filtering news articles by category. Implementing the filter functionality and merging the datasetSaving the merged dataset in the pickle file format; Feature engineering; Loading the dataset; Minor preprocessing; Converting adj close price into the integer format; Removing the leftmost dot from news headlines; Feature engineering; Sentiment analysis of NYTimes news articles; Selecting the Machine Learning algorithm; Training the baseline model; Splitting the training and testing dataset; Splitting prediction labels for the training and testing datasets; Converting sentiment scores into the numpy array; Training of the ML model. Understanding the testing matrixThe default testing matrix; The visualization approach; Testing the baseline model; Generating and interpreting the output; Generating the accuracy score; Visualizing the output; Exploring problems with the existing approach; Alignment; Smoothing; Trying a different ML algorithm; Understanding the revised approach; Understanding concepts and approaches; Alignment-based approach; Smoothing-based approach; Logistic Regression-based approach; Implementing the revised approach; Implementation; Implementing alignment; Implementing smoothing. |
| 요약 | This book demonstrates a set of simple to complex problems you may encounter while building machine learning models. You'll not only learn the best possible solutions to these problems but also find out how to build projects based on each problem mentioned in the book, with a practical approach and easy-to-follow examples. |
| 일반주제명 | Python. Machine learning. COMPUTERS / Machine Theory. COMPUTERS / Programming Languages / Python. Computers --Information Technology. Computers --Neural Networks. Information technology: general issues. Neural networks & fuzzy systems. Computers --Intelligence (AI) & Semantics. Artificial intelligence. Machine learning. |
| 언어 | 영어 |
| 바로가기 | URL |
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