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https://github.com/predicate-logic/awesome-data-science

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List: awesome-data-science

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# Awesome Data Science

Links and references useful for data science.



## General / Introduction

   * [A Visual Introduction To Machine Learning](http://www.r2d3.us/visual-intro-to-machine-learning-part-1/)

      * One of the slickest visual introductions to machine learning ever produced.

   * [Seeing Theory](https://seeing-theory.brown.edu/#firstPage)

      * Great D3 visualization tutorial on the basics of statistics.

      

## Libraries (Python)

   * [Pandas](https://pandas.pydata.org/pandas-docs/stable/10min.html)

      * The current standard for data frames in Python.   

   * [Yellobrick](http://www.scikit-yb.org/en/latest/index.html)

      * "Visualizers" to allow for human-steering of the model selection process.

   * [Borata](https://github.com/scikit-learn-contrib/boruta_py)

      * Finds a maximal subset of information carrying features in a data set.

   * [Featuretools](https://github.com/Featuretools/featuretools)

      * Automated feature engineering library.

   * [Surprise](http://surpriselib.com/)

      * Build and test recommendation systems with a variety of prebuilt algorithms.

   * [Snorkel](https://hazyresearch.github.io/snorkel/)

      * Library to extract data from structured or "dark data".  Includes references to worfklow/tools to augment the labeling process.

   * [SpaCy](https://spacy.io/_)

      * Fast Natural Language Tool Kit (NLTK).

   * [Voluptuous](https://github.com/alecthomas/voluptuous)

      * Data validation library.

   * [Lime](https://github.com/marcotcr/lime)

       * Explain classifiers.

   * [FeatureTools](https://docs.featuretools.com/index.html)

       * Automated feature engineering.

   * [Snorkel](https://www.snorkel.org/)

       * Generate training/sample data.

       

## Notebooks (Python)

   * [Parameters & More for Jupyter Notebooks](https://github.com/nteract/papermill)

      * Parameterization and reproducability tools for Jupyter notebooks.  Used by Netflix.

      

   * [Pyodide](https://github.com/iodide-project/pyodide)

      * Python and NumPy compiled into WebAssembly enabled notebook designed to for publishing.

   

## Forecasting (Python)

   * [Forecasting Website Traffic using Facebook's Prophet](http://pbpython.com/prophet-overview.html)

   

## Visualization

   * [So You Want to Build a Scroller](http://vallandingham.me/scroller.html)

      * Example code on how to put together a web-based animated scrolling presentation.

   * [R Graphics / ggplot2 Tutorial](http://tutorials.iq.harvard.edu/R/Rgraphics/Rgraphics.html)

       * Overview of graphing options in R with a good tutorial on using `ggplot2`.

   * [Facets](https://pair-code.github.io/facets/)

       * Graphical to explore your data.

   * [Tableau's Make-over Monday](http://www.makeovermonday.co.uk/blog/)

       * Blog (and data) for slick visualizations using Tableau.  "A weekly social data project".

   * [R Base Graphics: An Idiot's Guide](http://rstudio-pubs-static.s3.amazonaws.com/7953_4e3efd5b9415444ca065b1167862c349.html)

       * Good overview of using R's base graphics plotting system.

   * [Top 50 Matplotlib Visualizations Cookbook](https://www.machinelearningplus.com/plots/top-50-matplotlib-visualizations-the-master-plots-python/)

       * Examples and explainations of use cases for 50 Matplotlib visualizations.

   * [Data Visualization Catalog](https://datavizcatalogue.com/index.html)

       * Catalog of useful visualizations with examples and cross-referenced by utility type.

   

## Blog Posts

   * [Stitchfix Algorithms Tour](http://algorithms-tour.stitchfix.com/#data-platform)

      * Really great D3 presentation on the algorithms and data science process used at StitchFix.

   * [On Average, You're Doing It Wrong](https://towardsdatascience.com/on-average-youre-using-the-wrong-average-geometric-harmonic-means-in-data-analysis-2a703e21ea0)

      * Detailed analysis of arithmetic, geometric, and harmonic means, when to use them, and how, with examples.

   * [Minikube & Spark Local Setup](http://blog.madhukaraphatak.com/categories/kubernetes-series/)

      * Amazing tutorial on setting up Spark inside of a local Kubernetes cluster.

   * [Statistical Significance](https://towardsdatascience.com/statistical-significance-hypothesis-testing-the-normal-curve-and-p-values-93274fa32687)

      * Good, simple overview of the core concepts of hypothesis testing.

   * [Building Toy Neural Networks (Python)](https://iamtrask.github.io/2015/07/12/basic-python-network/)

      * Very detailed (yet simple) walkthrough of two toy neural networks in Python.  Very educational.



## References

   * [Cross Validated](https://stats.stackexchange.com/)

      * User answered question site related to Statistics, Machine Learning, and Data Analytics.

   * [Statistics HowTo](http://www.statisticshowto.com/probability-and-statistics/)

      * Simple video explainations of basic statistical concepts.  Very informative. 

   * [Practical Guide To SQL Isolation](https://begriffs.com/posts/2017-08-01-practical-guide-sql-isolation.html)

      * Most understandable and easy-to-understand guide to SQL Isolation levels I've seen.

   * [15 Types of Regression](https://www.listendata.com/2018/03/regression-analysis.html)

      * Great resource.

   * [39 Machine Learning Resources](https://medium.com/@karamanbk/39-machine-learning-resources-that-will-help-you-in-every-essential-step-b2696515ed9)

      

## References (R)

   * [R Documentation](https://rdrr.io/)

      * Nice documentation resource for popular R packages.

  

      

## How To (Python)

   * [Simulating Chutes & Ladders in Python](https://jakevdp.github.io/blog/2017/12/18/simulating-chutes-and-ladders/?utm_campaign=Data%2BElixir&utm_medium=web&utm_source=Data_Elixir_162)

       * Very thorough introduction to simulation, Markov Chains, entropy for the board game in Python/Jupyter.

   * [Simple/Multiple Linear Regression Tutorial](https://towardsdatascience.com/simple-and-multiple-linear-regression-in-python-c928425168f9)

       * Complete tutorial of linear regression in `SKlearn`.

   * [Python Machine Learning Example: Linear Regression](http://devarea.com/python-machine-learning-example-linear-regression/)

       * Complete example of Linear Regression in Python/Pandas.

   * [Machine Learning Regression of 911 Calls](http://machinelearningexp.com/machine-learning-regression-911-calls/)

   * [Instal IRKernel for Jupyter Notebooks](https://www.datacamp.com/community/blog/jupyter-notebook-r)

       * Best installation instructions I've found thus far.

   * [Twitter Sentiment Analysis](https://towardsdatascience.com/another-twitter-sentiment-analysis-bb5b01ebad90)

       * In-depth, easy-to-understand 4-part NLTK sentiment analysis tutorial.

   * [Markov Chains From Scratch](http://www.johnwittenauer.net/markov-chains-from-scratch/)

       * Easy to understand tutorial on coding a Trump Tweet generator using Markov Chains.

   * [Random Forest In Python](https://towardsdatascience.com/random-forest-in-python-24d0893d51c0)

   * [Introduction to Python Ensembles](https://www.kdnuggets.com/2018/02/introduction-python-ensembles.html)

      * Detailed how-to on constructing and evaluating ensemble ML methods.

   * [101 NumPy Excercises](https://www.machinelearningplus.com/101-numpy-exercises-python/)

   * [Calculate PCA From Scratch In Python](https://machinelearningmastery.com/calculate-principal-component-analysis-scratch-python/)

   * [Machine Learning Basics](https://github.com/zotroneneis/machine_learning_basics)

      * Basic ML algos implemened in Python/Jupyter notebooks.

   * [How To Use HDFS In Python](https://www.uetke.com/blog/python/how-to-use-hdf5-files-in-python/)

   * [ARIMA Forcasting](https://www.datasciencecentral.com/profiles/blogs/tutorial-forecasting-with-seasonal-arima)

      * Detailed walkthrough of creating an ARIMA forecast in a notebook format.

       

## How To (R)

   * [Fundamentals of Linear Regression](https://towardsdatascience.com/machine-learning-fundamentals-via-linear-regression-41a5d11f5220)

       * One of the better tutorials of Linear Regression (with code).

   * [Gradient Descent](http://www.machinegurning.com/rstats/gradient-descent/)

       * Intuitive tutorial on Gradient Descent algorithm p(with code).

   * [Select Optimal # of Topics for LDA](https://cran.r-project.org/web/packages/ldatuning/vignettes/topics.html)

   * [Linear Regression By Hand](https://dsgazette.com/2018/01/10/linear-regression-by-hand/)

   

## Datasets

   * [data.world](https://data.world/)

       * Free sample data sets (requires registration).

       

## To Read / Categorize

   * [Practical AI Jupyter Notebooks](https://github.com/GokuMohandas/practicalAI/blob/master/README.md)

      * Lots of example notebooks on a variety of ML topics.

   * [Understanding Empirical Bayes Estimation (Using Baseball Statistics)](http://varianceexplained.org/r/empirical_bayes_baseball/)

      * Using Bayesian priors to assist in estmiation of batting averages in R.

   * [Understanding Beta Distributions (Using Baseball Statistics)](http://varianceexplained.org/statistics/beta_distribution_and_baseball/)

       * Same author as above but analysis introduces and uses Beta distributions.

       * The [post](https://stats.stackexchange.com/questions/47771/what-is-the-intuition-behind-beta-distribution/47782#47782) that started it all.

   * [Introductory Econometrics](http://www3.wabash.edu/econometrics/EconometricsBook/index.htm)

       * Online Excel examples from textbook (includes discussions of Monte Carlo simulations and Heteroskedasticity).

   * [Probabilistic Graphic Models Tutorial](https://blog.statsbot.co/probabilistic-graphical-models-tutorial-and-solutions-e4f1d72af189)

       * Novel solution to the "Monty Hall Problem"

   * [Applying Bayes Therorem: Simulating the Monty Hall Problem with Python](https://medium.com/@NickDoesData/applying-bayes-theorem-simulating-the-monty-hall-problem-with-python-5054976d1fb5)

       * Simulation of "Monty Hall Problem" in Python with decent explainations.

   * [Fast.AI Deep Learning Course](http://course.fast.ai/lessons/lesson1.html)

   * [Machine Learning Tasks for Beginners](https://elitedatascience.com/machine-learning-projects-for-beginners)

   * [Deep Learning: From Image to Webpage](https://blog.floydhub.com/turning-design-mockups-into-code-with-deep-learning/)

       * Learn how to write a Deep Learning model to code a webpage from a source image. 

   * [Kubernetes Cheatsheet](https://kubernetes.io/docs/reference/kubectl/cheatsheet/)

   * [Installing PostgreSQL via Helm](https://medium.com/@nicdoye/installing-postgresql-via-helm-237e026453b1)

       

 ## To Find Resources To Show

   * How to fix Heteroskedasticity

   * " " " Collinearity

   * F-Scores

   * ROC-AUC

   * p Test

   * Linear Regression

   * Logistic Regression

   * CART (Random Forest)

   * Gradient Decent

   * Bias vs. Varience Tradeoff

   * Binomial Distribution (discrete)

   * Poisson Distribution (continuous)