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Index
Title Page
Copyright and Credits
Mastering Predictive Analytics with scikit-learn and TensorFlow
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Preface
Who this book is for
What this book covers
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Conventions used
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Ensemble Methods for Regression and Classification
Ensemble methods and their working
Bootstrap sampling
Bagging
Random forests
Boosting
Ensemble methods for regression
The diamond dataset
Training different regression models
KNN model
Bagging model
Random forests model
Boosting model
Using ensemble methods for classification
Predicting a credit card dataset
Training different regression models
Logistic regression model
Bagging model
Random forest model
Boosting model
Summary
Cross-validation and Parameter Tuning
Holdout cross-validation
K-fold cross-validation
Implementing k-fold cross-validation
Comparing models with k-fold cross-validation
Introduction to hyperparameter tuning
Exhaustive grid search
Hyperparameter tuning in scikit-learn
Comparing tuned and untuned models
Summary
Working with Features
Feature selection methods
Removing dummy features with low variance
Identifying important features statistically
Recursive feature elimination
Dimensionality reduction and PCA
Feature engineering
Creating new features
Improving models with feature engineering
Training your model
Reducible and irreducible error
Summary
Introduction to Artificial Neural Networks and TensorFlow
Introduction to ANNs
Perceptrons
Multilayer perceptron
Elements of a deep neural network model
Deep learning
Elements of an MLP model
Introduction to TensorFlow
TensorFlow installation
Core concepts in TensorFlow
Tensors
Computational graph
Summary
Predictive Analytics with TensorFlow and Deep Neural Networks
Predictions with TensorFlow
Introduction to the MNIST dataset
Building classification models using MNIST dataset
Elements of the DNN model
Building the DNN
Reading the data
Defining the architecture
Placeholders for inputs and labels
Building the neural network
The loss function
Defining optimizer and training operations
Training strategy and valuation of accuracy of the classification
Running the computational graph
Regression with Deep Neural Networks (DNN)
Elements of the DNN model
Building the DNN
Reading the data
Objects for modeling
Training strategy
Input pipeline for the DNN
Defining the architecture
Placeholders for input values and labels
Building the DNN
The loss function
Defining optimizer and training operations
Running the computational graph
Classification with DNNs
Exponential linear unit activation function
Classification with DNNs
Elements of the DNN model
Building the DNN
Reading the data
Producing the objects for modeling
Training strategy
Input pipeline for DNN
Defining the architecture
Placeholders for inputs and labels
Building the neural network
The loss function
Evaluation nodes
Optimizer and the training operation
Run the computational graph
Evaluating the model with a set threshold
Summary
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