Edwin Chen

restricted-boltzmann-machines. Restricted Boltzmann Machines in Python.

dirichlet-process. Introduction to Nonparametric Bayes, Infinite Mixture Models, and the Dirichlet Process (+ McDonald's)

ggplot2-tutorial. Quick introduction to ggplot2 (no knowledge of R assumed)

link-prediction. Solution to Facebook's link prediction contest on Kaggle.

scaldingale. Movie recommendations and more in MapReduce and Scalding

streaming-simulations. Simulating the performance of various streaming algorithms. #experimentalmathematics

minifolds. ggplot2-inspired d3 app to make instant interactive visualizations

gap-statistic. An implementation of the gap statistic algorithm to compute the number of clusters in a set of numerical data.

unsupervised-language-identification. An unsupervised language identification algorithm in Ruby, built originally for detecting English-language tweets.

sarah-palin-lda. Topic Modeling the Sarah Palin emails.

principal-components-analysis. Python/Numpy PCA using the transpose trick.

information-propagation. Information Propagation in a Social Network

sparta. Instantly turn your data into charts and dashboards. It's like a mini Tableau.

rosetta-scone. A collection of MapReduce tasks translated (from Pig, Hive, MapReduce streaming, Cascalog, etc.) into Scalding.

data-hacks. Command-line utilities for data analysis.

prediction-strength. An implementation of the prediction strength algorithm from Tibshirani, Walther, Botstein, and Brown's "Cluster validation by prediction strength".

lstm-explorer. Web app for exploring LSTMs.

kickstarter-data-analysis. Digging into data from kickstarter.com.

twss-classifier. A That's What She Said classifier, built off a simple unigram Naive Bayes model.

dangle. Playing around with Tangle + d3.

gradient-svd. A simple SVD + LSI implementation in Ruby, based on gradient descent. Useful if you have a *small* matrix with missing values.

embedding-explorer. JavaScript

d3-tutorial. Quick introduction to d3.

nvd3. D3 graphing library, originally forked from nvd3.js

old-blog. JavaScript

scalding-book.

brushfire. Distributed decision tree ensemble learning in Scala

clockworkraven. Human-Powered Data Analysis with Mechanical Turk

hurricane-sandy-outages. Power outages during Hurricane Sandy.

scalding. A Scala API for Cascading

table_helper. Adds a helper method for generating HTML tables from collections

algebird. Abstract Algebra for Scala

pinterest-evals. JavaScript

transformers. 🤗Transformers: State-of-the-art Natural Language Processing for Pytorch and TensorFlow 2.0.