echen/d3-tutorial
Quick introduction to d3.
Developer Profile
echen
Discovered public repositories for echen in the GitHub catalog.
echen/streaming-simulations
Simulating the performance of various streaming algorithms. #experimentalmathematics
echen/nvd3
D3 graphing library, originally forked from nvd3.js
echen/hurricane-sandy-outages
Power outages during Hurricane Sandy.
echen/scalding-book
Public repository.
echen/algebird
Abstract Algebra for Scala
echen/clockworkraven
Human-Powered Data Analysis with Mechanical Turk
echen/link-prediction
Solution to Facebook's link prediction contest on Kaggle.
echen/rosetta-scone
A collection of MapReduce tasks translated (from Pig, Hive, MapReduce streaming, Cascalog, etc.) into Scalding.
echen/scalding
A Scala API for Cascading
echen/dirichlet-process
Introduction to Nonparametric Bayes, Infinite Mixture Models, and the Dirichlet Process (+ McDonald's)
echen/minifolds
ggplot2-inspired d3 app to make instant interactive visualizations
echen/scaldingale
Movie recommendations and more in MapReduce and Scalding
echen/ggplot2-tutorial
Quick introduction to ggplot2 (no knowledge of R assumed)
echen/dangle
Playing around with Tangle + d3.
echen/information-propagation
Information Propagation in a Social Network
echen/restricted-boltzmann-machines
Restricted Boltzmann Machines in Python.
echen/sarah-palin-lda
Topic Modeling the Sarah Palin emails.
echen/twss-classifier
A That's What She Said classifier, built off a simple unigram Naive Bayes model.
echen/kickstarter-data-analysis
Digging into data from kickstarter.com.
echen/unsupervised-language-identification
An unsupervised language identification algorithm in Ruby, built originally for detecting English-language tweets.
echen/gradient-svd
A simple SVD + LSI implementation in Ruby, based on gradient descent. Useful if you have a *small* matrix with missing values.
echen/principal-components-analysis
Python/Numpy PCA using the transpose trick.
echen/prediction-strength
An implementation of the prediction strength algorithm from Tibshirani, Walther, Botstein, and Brown's "Cluster validation by prediction strength".
echen/gap-statistic
An implementation of the gap statistic algorithm to compute the number of clusters in a set of numerical data.
echen/old-blog
Public repository.
echen/table_helper
Adds a helper method for generating HTML tables from collections
echen/data-hacks
Command-line utilities for data analysis.