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algebird

Abstract Algebra for Scala

brushfire

Distributed decision tree ensemble learning in Scala

clockworkraven

Human-Powered Data Analysis with Mechanical Turk

d3-tutorial

Quick introduction to d3.

dangle

Playing around with Tangle + d3.

data-hacks

Command-line utilities for data analysis.

dirichlet-process

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

echen.github.io

embedding-explorer

forestry-demo

gap-statistic

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

ggplot2-tutorial

Quick introduction to ggplot2 (no knowledge of R assumed)

gradient-svd

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

hurricane-sandy-outages

Power outages during Hurricane Sandy.

information-propagation

Information Propagation in a Social Network

kickstarter-data-analysis

Digging into data from kickstarter.com.

link-prediction

Solution to Facebook's link prediction contest on Kaggle.

lstm-explorer

Web app for exploring LSTMs.

minifolds

ggplot2-inspired d3 app to make instant interactive visualizations

nvd3

D3 graphing library, originally forked from nvd3.js

old-blog

pinterest-evals

prediction-strength

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

principal-components-analysis

Python/Numpy PCA using the transpose trick.

restricted-boltzmann-machines

Restricted Boltzmann Machines in Python.

rosetta-scone

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

sarah-palin-lda

Topic Modeling the Sarah Palin emails.

scalding

A Scala API for Cascading

scalding-book

scaldingale

Movie recommendations and more in MapReduce and Scalding