最新章節(jié)
- Summary
- Best practice 18 - update models regularly
- Best practice 17 - monitor model performance
- Best practice 16 - save load and reuse models
- Best practices in the deployment and monitoring stage
- Best practice 15 - diagnose overfitting and underfitting
品牌：中圖公司
上架時間：2021-07-02 18:49:35
出版社：Packt Publishing
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- Summary 更新時間：2021-07-02 22:57:40
- Best practice 18 - update models regularly
- Best practice 17 - monitor model performance
- Best practice 16 - save load and reuse models
- Best practices in the deployment and monitoring stage
- Best practice 15 - diagnose overfitting and underfitting
- Best practice 14 - reduce overfitting
- Neural networks
- Random forest (or decision tree)
- SVM
- Logistic regression
- Naive Bayes
- Best practice 13 - choose the right algorithm(s) to start with
- Best practices in the model training evaluation and selection stage
- Best practice 12 - document how each feature is generated
- Best practice 11 - perform feature engineering without domain expertise
- Best practice 10 - perform feature engineering with domain expertise
- Best practice 9 - decide on whether or not to scale features
- Best practice 8 - decide on whether or not to reduce dimensionality and if so how
- Best practice 7 - decide on whether or not to select features and if so how
- Best practice 6 - decide on whether or not to encode categorical features
- Best practice 5 - determine categorical features with numerical values
- Best practices in the training sets generation stage
- Best practice 4 - deal with missing data
- Best practice 3 - maintain consistency of field values
- Best practice 2 - collect all fields that are relevant
- Best practice 1 - completely understand the project goal
- Best practices in the data preparation stage
- Machine learning workflow
- Best Practices
- Summary
- Stock price prediction with regression algorithms
- Regression performance evaluation
- Support vector regression
- Decision tree regression
- Linear regression
- Data acquisition and feature generation
- Feature engineering
- Predicting stock price with regression algorithms
- What is regression?
- Brief overview of the stock market and stock price
- Stock Price Prediction with Regression Algorithms
- Summary
- Feature selection via random forest
- Handling multiclass classification
- Training on large-scale datasets with online learning
- Training a logistic regression model with regularization
- Training a logistic regression model via stochastic gradient descent
- Click-through prediction with logistic regression by gradient descent
- Training a logistic regression model via gradient descent
- The mechanics of logistic regression
- Getting started with the logistic function
- Logistic regression classifier
- One-hot encoding - converting categorical features to numerical
- Click-Through Prediction with Logistic Regression
- Summary
- Random forest - feature bagging of decision tree
- Click-through prediction with decision tree
- The implementations of decision tree
- The metrics to measure a split
- The construction of a decision tree
- Decision tree classifier
- Getting started with two types of data numerical and categorical
- Brief overview of advertising click-through prediction
- Click-Through Prediction with Tree-Based Algorithms
- Summary
- More examples - fetal state classification on cardiotocography with SVM
- News topic classification with support vector machine
- Choosing between the linear and RBF kernel
- The kernels of SVM
- Scenario 4 - dealing with more than two classes
- The implementations of SVM
- Scenario 3 - handling outliers
- Scenario 2 - determining the optimal hyperplane
- Scenario 1 - identifying the separating hyperplane
- The mechanics of SVM
- Support vector machine
- Recap and inverse document frequency
- News Topic Classification with Support Vector Machine
- Summary
- Model tuning and cross-validation
- Classifier performance evaluation
- The naive Bayes implementations
- The mechanics of naive Bayes
- Bayes' theorem by examples
- Exploring naive Bayes
- Applications of text classification
- Types of classification
- Getting started with classification
- Spam Email Detection with Naive Bayes
- Summary
- Topic modeling
- Clustering
- Data preprocessing
- Visualization
- Thinking about features
- Getting the data
- The newsgroups data
- Touring powerful NLP libraries in Python
- What is NLP?
- Exploring the 20 Newsgroups Dataset with Text Analysis Algorithms
- Summary
- Troubleshooting and asking for help
- Installing software and setting up
- Voting and averaging
- Blending
- Stacking
- Boosting
- Bagging
- Combining models
- Binning
- Power transformations
- Polynomial features
- Scaling
- One-hot-encoding
- Label encoding
- Missing values
- Preprocessing exploration and feature engineering
- Avoid overfitting with feature selection and dimensionality reduction
- Avoid overfitting with regularization
- Avoid overfitting with cross-validation
- Overfitting underfitting and the bias-variance tradeoff
- Generalizing with data
- A brief history of the development of machine learning algorithms
- A very high level overview of machine learning
- What is machine learning and why do we need it?
- Getting Started with Python and Machine Learning
- Questions
- Piracy
- Errata
- Downloading the example code
- Customer support
- Reader feedback
- Conventions
- Who this book is for
- What you need for this book
- What this book covers
- Preface
- Customer Feedback
- www.PacktPub.com
- About the Reviewer
- About the Author
- Credits
- Title Page
- coverpage
- coverpage
- Title Page
- Credits
- About the Author
- About the Reviewer
- www.PacktPub.com
- Customer Feedback
- Preface
- What this book covers
- What you need for this book
- Who this book is for
- Conventions
- Reader feedback
- Customer support
- Downloading the example code
- Errata
- Piracy
- Questions
- Getting Started with Python and Machine Learning
- What is machine learning and why do we need it?
- A very high level overview of machine learning
- A brief history of the development of machine learning algorithms
- Generalizing with data
- Overfitting underfitting and the bias-variance tradeoff
- Avoid overfitting with cross-validation
- Avoid overfitting with regularization
- Avoid overfitting with feature selection and dimensionality reduction
- Preprocessing exploration and feature engineering
- Missing values
- Label encoding
- One-hot-encoding
- Scaling
- Polynomial features
- Power transformations
- Binning
- Combining models
- Bagging
- Boosting
- Stacking
- Blending
- Voting and averaging
- Installing software and setting up
- Troubleshooting and asking for help
- Summary
- Exploring the 20 Newsgroups Dataset with Text Analysis Algorithms
- What is NLP?
- Touring powerful NLP libraries in Python
- The newsgroups data
- Getting the data
- Thinking about features
- Visualization
- Data preprocessing
- Clustering
- Topic modeling
- Summary
- Spam Email Detection with Naive Bayes
- Getting started with classification
- Types of classification
- Applications of text classification
- Exploring naive Bayes
- Bayes' theorem by examples
- The mechanics of naive Bayes
- The naive Bayes implementations
- Classifier performance evaluation
- Model tuning and cross-validation
- Summary
- News Topic Classification with Support Vector Machine
- Recap and inverse document frequency
- Support vector machine
- The mechanics of SVM
- Scenario 1 - identifying the separating hyperplane
- Scenario 2 - determining the optimal hyperplane
- Scenario 3 - handling outliers
- The implementations of SVM
- Scenario 4 - dealing with more than two classes
- The kernels of SVM
- Choosing between the linear and RBF kernel
- News topic classification with support vector machine
- More examples - fetal state classification on cardiotocography with SVM
- Summary
- Click-Through Prediction with Tree-Based Algorithms
- Brief overview of advertising click-through prediction
- Getting started with two types of data numerical and categorical
- Decision tree classifier
- The construction of a decision tree
- The metrics to measure a split
- The implementations of decision tree
- Click-through prediction with decision tree
- Random forest - feature bagging of decision tree
- Summary
- Click-Through Prediction with Logistic Regression
- One-hot encoding - converting categorical features to numerical
- Logistic regression classifier
- Getting started with the logistic function
- The mechanics of logistic regression
- Training a logistic regression model via gradient descent
- Click-through prediction with logistic regression by gradient descent
- Training a logistic regression model via stochastic gradient descent
- Training a logistic regression model with regularization
- Training on large-scale datasets with online learning
- Handling multiclass classification
- Feature selection via random forest
- Summary
- Stock Price Prediction with Regression Algorithms
- Brief overview of the stock market and stock price
- What is regression?
- Predicting stock price with regression algorithms
- Feature engineering
- Data acquisition and feature generation
- Linear regression
- Decision tree regression
- Support vector regression
- Regression performance evaluation
- Stock price prediction with regression algorithms
- Summary
- Best Practices
- Machine learning workflow
- Best practices in the data preparation stage
- Best practice 1 - completely understand the project goal
- Best practice 2 - collect all fields that are relevant
- Best practice 3 - maintain consistency of field values
- Best practice 4 - deal with missing data
- Best practices in the training sets generation stage
- Best practice 5 - determine categorical features with numerical values
- Best practice 6 - decide on whether or not to encode categorical features
- Best practice 7 - decide on whether or not to select features and if so how
- Best practice 8 - decide on whether or not to reduce dimensionality and if so how
- Best practice 9 - decide on whether or not to scale features
- Best practice 10 - perform feature engineering with domain expertise
- Best practice 11 - perform feature engineering without domain expertise
- Best practice 12 - document how each feature is generated
- Best practices in the model training evaluation and selection stage
- Best practice 13 - choose the right algorithm(s) to start with
- Naive Bayes
- Logistic regression
- SVM
- Random forest (or decision tree)
- Neural networks
- Best practice 14 - reduce overfitting
- Best practice 15 - diagnose overfitting and underfitting
- Best practices in the deployment and monitoring stage
- Best practice 16 - save load and reuse models
- Best practice 17 - monitor model performance
- Best practice 18 - update models regularly
- Summary 更新時間：2021-07-02 22:57:40
