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SciPy 2016 Scikit-learn Tutorial


This repository will contain the teaching material and other info associated with our scikit-learn tutorial at SciPy 2017 held July 10-16 in Austin, Texas.

Parts 1 to 12 make up the morning session, while parts 13 to 23 will be presented in the afternoon (approximately)


The 2-part tutorial will be held on Tuesday, July 11, 2017.

Obtaining the Tutorial Material

If you have a GitHub account, it is probably most convenient if you clone or fork the GitHub repository. You can clone the repository by running:

git clone

If you are not familiar with git or don’t have an GitHub account, you can download the repository as a .zip file by heading over to the GitHub repository ( in your browser and click the green “Download” button in the upper right.

Please note that we may add and improve the material until shortly before the tutorial session, and we recommend you to update your copy of the materials one day before the tutorials. If you have an GitHub account and cloned the repository via GitHub, you can sync your existing local repository with:

git pull origin master

If you don’t have a GitHub account, you may have to re-download the .zip archive from GitHub.

Installation Notes

This tutorial will require recent installations of

The last one is important, you should be able to type:

jupyter notebook

in your terminal window and see the notebook panel load in your web browser. Try opening and running a notebook from the material to see check that it works.

For users who do not yet have these packages installed, a relatively painless way to install all the requirements is to use a Python distribution such as Anaconda CE, which includes the most relevant Python packages for science, math, engineering, and data analysis; Anaconda can be downloaded and installed for free including commercial use and redistribution. The code examples in this tutorial should be compatible to Python 2.7, Python 3.4-3.6.

After obtaining the material, we strongly recommend you to open and execute the Jupyter Notebook jupter notebook check_env.ipynb that is located at the top level of this repository. Inside the repository, you can open the notebook by executing

jupyter notebook check_env.ipynb

inside this repository. Inside the Notebook, you can run the code cell by clicking on the "Run Cells" button as illustrated in the figure below:

Finally, if your environment satisfies the requirements for the tutorials, the executed code cell will produce an output message as shown below:

Although not required, we also recommend you to update the required Python packages to their latest versions to ensure best compatibility with the teaching material. Please upgrade already installed packages by executing

  • pip install [package-name] --upgrade
  • or conda update [package-name]

Data Downloads

The data for this tutorial is not included in the repository. We will be using several data sets during the tutorial: most are built-in to scikit-learn, which includes code that automatically downloads and caches these data.

Because the wireless network at conferences can often be spotty, it would be a good idea to download these data sets before arriving at the conference. Please run


to download all necessary data beforehand.

The download size of the data files are approx. 280 MB, and after extracted the data on your disk, the ./notebook/dataset folder will take 480 MB of your local hard drive.


Morning Session

  • 01 Introduction to machine learning with sample applications, Supervised and Unsupervised learning [view]
  • 02 Scientific Computing Tools for Python: NumPy, SciPy, and matplotlib [view]
  • 03 Data formats, preparation, and representation [view]
  • 04 Supervised learning: Training and test data [view]
  • 05 Supervised learning: Estimators for classification [view]
  • 06 Supervised learning: Estimators for regression analysis [view]
  • 07 Unsupervised learning: Unsupervised Transformers [view]
  • 08 Unsupervised learning: Clustering [view]
  • 09 The scikit-learn estimator interface [view]
  • 10 Preparing a real-world dataset (titanic) [view]
  • 11 Working with text data via the bag-of-words model [view]
  • 12 Application: IMDb Movie Review Sentiment Analysis [view]

Afternoon Session

  • 13 Cross-Validation [view]
  • 14 Model complexity and grid search for adjusting hyperparameters [view]
  • 15 Scikit-learn Pipelines [view]
  • 16 Supervised learning: Performance metrics for classification [view]
  • 17 Supervised learning: Linear Models [view]
  • 18 Supervised learning: Decision trees and random forests, and ensemble methods [view]
  • 19 Supervised learning: feature selection [view]
  • 20 Unsupervised learning: Hierarchical and density-based clustering algorithms [view]
  • 21 Unsupervised learning: Non-linear dimensionality reduction [view]
  • 22 Unsupervised learning: Anomaly Detection [view]
  • 23 Supervised learning: Out-of-core learning [view]


Scipy 2017 scikit-learn tutorial by Alex Gramfort and Andreas Mueller







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