IPython console
by John Hearty, David Julian, Sebastian Raschka
Python: Deeper Insights into Machine Learning
- Python: Deeper Insights into Machine Learning
- Table of Contents
- Python: Deeper Insights into Machine Learning
- Python: Deeper Insights into Machine Learning
- Credits
- Preface
- 1. Module 1
- 1. Giving Computers the Ability to Learn from Data
- Building intelligent machines to transform data into knowledge
- The three different types of machine learning
- An introduction to the basic terminology and notations
- A roadmap for building machine learning systems
- Using Python for machine learning
- Summary
- 2. Training Machine Learning Algorithms for Classification
- 3. A Tour of Machine Learning Classifiers Using Scikit-learn
- Choosing a classification algorithm
- First steps with scikit-learn
- Modeling class probabilities via logistic regression
- Maximum margin classification with support vector machines
- Solving nonlinear problems using a kernel SVM
- Decision tree learning
- K-nearest neighbors – a lazy learning algorithm
- Summary
- 4. Building Good Training Sets – Data Preprocessing
- 5. Compressing Data via Dimensionality Reduction
- 6. Learning Best Practices for Model Evaluation and Hyperparameter Tuning
- 7. Combining Different Models for Ensemble Learning
- 8. Applying Machine Learning to Sentiment Analysis
- 9. Embedding a Machine Learning Model into a Web Application
- 10. Predicting Continuous Target Variables with Regression Analysis
- Introducing a simple linear regression model
- Exploring the Housing Dataset
- Implementing an ordinary least squares linear regression model
- Fitting a robust regression model using RANSAC
- Evaluating the performance of linear regression models
- Using regularized methods for regression
- Turning a linear regression model into a curve – polynomial regression
- Summary
- 11. Working with Unlabeled Data – Clustering Analysis
- 12. Training Artificial Neural Networks for Image Recognition
- Modeling complex functions with artificial neural networks
- Classifying handwritten digits
- Training an artificial neural network
- Developing your intuition for backpropagation
- Debugging neural networks with gradient checking
- Convergence in neural networks
- Other neural network architectures
- A few last words about neural network implementation
- Summary
- 13. Parallelizing Neural Network Training with Theano
- 1. Giving Computers the Ability to Learn from Data
- 2. Module 2
- 1. Thinking in Machine Learning
- 2. Tools and Techniques
- 3. Turning Data into Information
- 4. Models – Learning from Information
- 5. Linear Models
- 6. Neural Networks
- 7. Features – How Algorithms See the World
- 8. Learning with Ensembles
- 9. Design Strategies and Case Studies
- 3. Module 3
- 1. Unsupervised Machine Learning
- 2. Deep Belief Networks
- 3. Stacked Denoising Autoencoders
- 4. Convolutional Neural Networks
- 5. Semi-Supervised Learning
- 6. Text Feature Engineering
- 7. Feature Engineering Part II
- 8. Ensemble Methods
- 9. Additional Python Machine Learning Tools
- 10. Chapter Code Requirements
- A. Biblography
- Index
The Ipython package has had some significant changes with the release of version 4. A former monolithic package structure, it has been split into sub-packages. Several IPython projects have split into their own separate project. Most of the repositories have been moved to the Jupyter project (jupyter.org).
At the core of IPython is the IPython console: a powerful interactive interpreter that allows you to test your ideas in a very fast and intuitive way. Instead of having to create, save, and run a file every time you want to test a code snippet, you can simply type it into a console. A powerful feature of IPython is that it decouples the traditional read-evaluate-print loop that most computing platforms are based on. IPython puts the evaluate phase into its own process: a kernel (not to be confused with the kernel function used in machine learning algorithms). Importantly, more than one client can access the kernel. This means you can run code in a number of files and access them, for example, running a method from the console. Also, the kernel and the client do not need to be on the same machine. This has powerful implications for distributed and networked computing.
The IPython console adds command-line features, such as tab completion and %magic commands, which replicate terminal commands. If you are not using a distribution of Python with IPython already installed, you can start IPython by typing ipython into a Python command line. Typing %quickref into the IPython console will give you a list of commands and their function.
The IPython notebook should also be mentioned. The notebook has merged into another project known as Jupyter (jupyter.org). This web application is a powerful platform for numerical computing in over 40 languages. The notebook allows you to share and collaborate on live code and publish rich graphics and text.
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