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The clearest explanation of deep learning I have come across...it was a joy to read.

*Deep Learning with R* introduces the world of deep learning using the powerful Keras library and its R language interface. The book builds your understanding of deep learning through intuitive explanations and practical examples.

If youâ€™re looking to dig further into deep learning, then *Deep Learning with R in Motion* is the perfect next step. This video course offers more examples, exercises, and skills to help you lock in what you learn!

# Part 1: The fundamentals of Deep Learning

## 1. What is deep learning?

### 1.1. Artificial intelligence, machine learning, and deep learning

#### 1.1.1. Artificial intelligence

#### 1.1.2. Machine Learning

#### 1.1.3. Learning representations from data

#### 1.1.4. The "deep" in deep learning

#### 1.1.5. Understanding how deep learning works, in three figures

#### 1.1.6. What deep learning has achieved so far

#### 1.1.7. Don’t believe the short-term hype

#### 1.1.8. The promise of AI

### 1.2. Before deep learning: a brief history of machine learning

#### 1.2.1. Probabilistic modeling

#### 1.2.2. Early neural networks

#### 1.2.3. Kernel methods

#### 1.2.4. Decision trees, random forests, and gradient boosting machines

#### 1.2.5. Back to neural networks

#### 1.2.6. What makes deep learning different

#### 1.2.7. The modern machine-learning landscape

### 1.3. Why deep learning? Why now?

#### 1.3.1. Hardware

#### 1.3.2. Data

#### 1.3.3. Algorithms

#### 1.3.4. A new wave of investment

#### 1.3.5. The democratization of deep learning

#### 1.3.6. Will it last?

## 2. Before we begin: the mathematical blocks of neural networks

### 2.1. A first look at a neural network

### 2.2. Data representations for neural networks

#### 2.2.1. Scalars (0D tensors)

#### 2.2.2. Vectors (1D tensors)

#### 2.2.3. Matrices (2D tensors)

#### 2.2.4. 3D tensors and higher-dimensional tensors

#### 2.2.5. Key attributes

#### 2.2.6. Manipulating tensors in R

#### 2.2.7. The notion of data batches

#### 2.2.8. Real-world examples of data tensors

#### 2.2.9. Vector data

#### 2.2.10. Timeseries data or sequence data

#### 2.2.11. Image data

#### 2.2.12. Video data

### 2.3. The gears of neural networks: tensor operations

#### 2.3.1. Element-wise operations

#### 2.3.2. Operations involving tensors of different dimensions

##### Tensor dot

#### 2.3.3. Tensor reshaping

#### 2.3.4. Geometric interpretation of tensor operations

#### 2.3.5. A geometric interpretation of deep learning

### 2.4. The engine of neural networks: gradient-based optimization

#### 2.4.1. What’s a derivative?

#### 2.4.2. Derivative of a tensor operation: the gradient

#### 2.4.3. Stochastic gradient descent

#### 2.4.4. Chaining derivatives: the backpropagation algorithm

#### 2.4.5. In summary: training neural networks using gradient descent

### 2.5. Looking back at our first example

### 2.6. Summary

## 3. Getting started with neural networks

### 3.1. Anatomy of a neural network

#### 3.1.1. Layers: the building blocks of deep learning

#### 3.1.2. Models: networks of layers

#### 3.1.3. Loss functions and optimizers: keys to configuring the learning process

### 3.2. Introduction to Keras

#### 3.2.1. Keras, TensorFlow, Theano, and CNTK

#### 3.2.2. Installing Keras

#### 3.2.3. Developing with Keras: a quick overview

### 3.3. Setting up a deep-learning workstation

#### 3.3.1. Getting Keras running: two options

#### 3.3.2. Running deep-learning jobs in the cloud: pros and cons

#### 3.3.3. What is the best GPU for deep learning?

### 3.4. Classifying movie reviews: a binary classification example

#### 3.4.1. The IMDB dataset

#### 3.4.2. Preparing the data

#### 3.4.3. Building your network

#### 3.4.4. Validating your approach

#### 3.4.5. Using a trained network to generate predictions on new data

#### 3.4.6. Further experiments

#### 3.4.7. Wrapping up

### 3.5. Classifying newswires: a multiclass classification example

#### 3.5.1. The Reuters dataset

#### 3.5.2. Preparing the data

#### 3.5.3. Building your network

#### 3.5.4. Validating your approach

#### 3.5.5. Generating predictions on new data

#### 3.5.6. A different way to handle the labels and the loss

#### 3.5.7. The importance of having sufficiently large intermediate layers

#### 3.5.8. Further experiments

#### 3.5.9. Wrapping up

### 3.6. Predicting house prices: a regression example

#### 3.6.1. The Boston Housing Price dataset

#### 3.6.2. Preparing the data

#### 3.6.3. Building your network

#### 3.6.4. Validating your approach using K-fold validation

#### 3.6.5. Wrapping up

### 3.7. Summary

## 4. Fundamentals of machine learning

### 4.1. Four branches of machine learning

#### 4.1.1. Supervised learning

#### 4.1.2. Unsupervised learning

#### 4.1.3. Self-supervised learning

#### 4.1.4. Reinforcement learning

### 4.2. Evaluating machine-learning models

#### 4.2.1. Training, validation, and test sets

#### 4.2.2. Things to keep in mind

### 4.3. Data preprocessing, feature engineering, and feature learning

#### 4.3.1. Data preprocessing for neural networks

#### 4.3.2. Feature engineering

### 4.4. Overfitting and underfitting

#### 4.4.1. Reducing the network’s size

#### 4.4.2. Adding weight regularization

#### 4.4.3. Adding dropout

### 4.5. The universal workflow of machine learning

#### 4.5.1. Defining the problem and assembling a dataset

#### 4.5.2. Choosing a measure of success

#### 4.5.3. Deciding on an evaluation protocol

#### 4.5.4. Preparing your data

#### 4.5.5. Developing a model that does better than a baseline

#### 4.5.6. Scaling up: developing a model that overfits

#### 4.5.7. Regularizing your model and tuning your hyperparameters

### 4.6. Summary

# Part 2: Deep learning in practice

## 5. Deep learning for computer vision

### 5.1. Introduction to convnets

#### 5.1.1. The convolution operation

#### 5.1.2. The max-pooing operation

### 5.2. Training a convnet from scratch on a small dataset

#### 5.2.1. The relevance of deep learning for small-data problems

#### 5.2.2. Downloading the data

#### 5.2.3. Building your network

#### 5.2.4. Data preprocessing

#### 5.2.5. Using data augmentation

### 5.3. Using a pretrained convnet

#### 5.3.1. Feature extraction

#### 5.3.2. Fine-tuning

#### 5.3.3. Take-aways: using convnets with small datasets

### 5.4. Visualizing what convnets learn

#### 5.4.1. Visualizing intermediate activations

#### 5.4.2. Visualizing convnet filters

#### 5.4.3. Visualizing heatmaps of class activation

### 5.5. Summary

## 6. Deep learning for text and sequences

### 6.1. Working with text data

#### 6.1.1. One-hot encoding of words and characters

#### 6.1.2. Using word embeddings

#### 6.1.3. Putting it all together: from raw text to word embeddings

#### 6.1.4. Wrapping up

### 6.2. Understanding recurrent neural networks

#### 6.2.1. A recurrent layer in Keras

#### 6.2.2. Understanding the LSTM and GRU layers

#### 6.2.3. A concrete LSTM example in Keras

#### 6.2.4. Wrapping up

### 6.3. Advanced use of recurrent neural networks

#### 6.3.1. A temperature-forecasting problem

#### 6.3.2. Preparing the data

#### 6.3.3. A common-sense, non-machine-learning baseline

#### 6.3.4. A basic machine-learning approach

#### 6.3.5. A first recurrent baseline

#### 6.3.6. Using recurrent dropout to fight overfitting

#### 6.3.7. Stacking recurrent layers

#### 6.3.8. Using bidirectional RNNs

#### 6.3.9. Going even further

#### 6.3.10. Wrapping up

### 6.4. Sequence processing with convnets

#### 6.4.1. Understanding 1D convolution for sequence data

#### 6.4.2. 1D pooling for sequence data

#### 6.4.3. Implementing a 1D convnet

#### 6.4.4. Combining CNNs and RNNs to process long sequences

#### 6.4.5. Wrapping up

### 6.5. Summary

## 7. Advanced deep-learning best practices

### 7.1. Going beyond the Sequential model: the Keras functional API

#### 7.1.1. Introduction to the functional API

#### 7.1.2. Multi-input models

#### 7.1.3. Multi-output models

#### 7.1.4. Directed acyclic graphs of layers

#### 7.1.5. Layer weight sharing

#### 7.1.6. Models as layers

#### 7.1.7. Wrapping up

### 7.2. Inspecting and monitoring deep-learning models using Keras callbacks and TensorBoard

#### 7.2.1. Using callbacks to act on a model during training

#### 7.2.2. Introduction to TensorBoard: the TensorFlow visualization framework

#### 7.2.3. Wrapping up

### 7.3. Getting the most out of your models

#### 7.3.1. Advanced architecture patterns

#### 7.3.2. Hyperparameter optimization

#### 7.3.3. Model ensembling

#### 7.3.4. Wrapping up

### 7.4. Summary

## 8. Generative deep learning

### 8.1. Text generation with LSTM

#### 8.1.1. A brief history of generative recurrent networks

#### 8.1.2. How do you generate sequence data?

#### 8.1.3. The importance of the sampling strategy

#### 8.1.4. Implementing character-level LSTM text generation

### 8.2. DeepDream

#### 8.2.1. Implementing DeepDream in Keras

#### 8.2.2. Wrapping up

### 8.3. Neural style transfer

#### 8.3.1. The content loss

#### 8.3.2. The style loss

#### 8.3.3. Neural style transfer in Keras

#### 8.3.4. Wrapping up

### 8.4. Generating images with variational autoencoders

#### 8.4.1. Sampling from latent spaces of images

#### 8.4.2. Concept vectors for image editing

#### 8.4.3. Variational autoencoders

#### 8.4.4. Wrapping up

### 8.5. jmk,Introduction to generative adversarial networks

#### 8.5.1. A schematic GAN implementation

#### 8.5.2. A bag of tricks

#### 8.5.3. The generator

#### 8.5.4. The discriminator

#### 8.5.5. The adversarial network

#### 8.5.6. How to train your DCGAN

#### 8.5.7. Wrapping up

### 8.6. Summary

## 9. Conclusions

### 9.1. Key concepts in review

#### 9.1.1. Different types of approaches to AI

#### 9.1.2. What makes deep learning special within the field of machine learning

#### 9.1.3. How to think about deep learning

#### 9.1.4. Key enabling technologies

#### 9.1.5. The universal machine-learning workflow

#### 9.1.6. Key network architectures

#### 9.1.7. The space of possibilities

### 9.2. The limitations of deep learning

#### 9.2.1. The risk of anthropomorphizing machine-learning models

#### 9.2.2. Local generalization vs. extreme generalization

#### 9.2.3. Wrapping up

### 9.3. The future of deep learning

#### 9.3.1. Models as programs

#### 9.3.2. Beyond backpropagation and differentiable layers

#### 9.3.3. Automated machine learning

#### 9.3.4. Lifelong learning and modular subroutine reuse

#### 9.3.5. The long-term vision

### 9.4. Staying up to date in a fast-moving field

#### 9.4.1. Practice on real-world problems using Kaggle

#### 9.4.2. Read about the latest developments on arXiv

#### 9.4.3. Explore the Keras ecosystem

### 9.5. Final words

# Appendixes

## Appendix A: Installing Keras and its dependencies on Ubuntu

### A.1. Overview of the installation process

### A.2. Installing the Python scientific suite

### A.3. Setting up GPU support

#### A.3.1. Installing CUDA

#### A.3.2. Installing cuDNN

#### A.3.3. The CUDA environment

### A.4. Installing Keras and Tensorflow

## Appendix B: Running RStudio Server on a EC2 GPU instance

### B.1. Why use AWS for deep learning?

### B.2. Why not use AWS for deep learning?

### B.3. Setting up an AWS GPU instance

#### B.3.1. Installing R and RStudio Server

#### B.3.2. Configuring Cuda

#### B.3.3. Keras prerequisites

### B.4. Accessing RStudio Server

### B.5. Installing Keras

## About the Technology

Machine learning has made remarkable progress in recent years. Deep-learning systems now enable previously impossible smart applications, revolutionizing image recognition and natural-language processing, and identifying complex patterns in data. The Keras deep-learning library provides data scientists and developers working in R a state-of-the-art toolset for tackling deep-learning tasks.

## About the book

*Deep Learning with R* introduces the world of deep learning using the powerful Keras library and its R language interface. Initially written for Python as Deep Learning with Python by Keras creator and Google AI researcher François Chollet and adapted for R by RStudio founder J. J. Allaire, this book builds your understanding of deep learning through intuitive explanations and practical examples. You'll practice your new skills with R-based applications in computer vision, natural-language processing, and generative models.

## What's inside

- Deep learning from first principles
- Setting up your own deep-learning environment
- Image classification and generation
- Deep learning for text and sequences