Discover @tdunning Open Source projects

Ted Dunning (@tdunning)

tdunning

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t-digest

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

MiA

Mahout in Action Example Code

log-synth

Generates more or less realistic log data for testing simple aggregation queries.

anomaly-detection

A simple demonstration of sub-sequence sampling as used for anomaly detection with EKG signals

Plume

Explorations relative to cloning FlumeJava

knn

Large scale k-nn experiments

pig-vector

Mahout vector encoding for pig

bandit-ranking

feature-extraction

Sample techniques for a variety of feature extraction methods

python-llr

A python implementation of the most commonly used variants of the G-test

open-json

Open JSON - a truly open source JSON implementation

probability-book

A copy of the source for Grinstead and Snell's lovely probability book

k-means-auto-encoder

Some quick exploration of how k-means auto-encoders work

t-digest-benchmark

A simple JMH benchmark for various versions of t-digest

in-memory-cooccurrence

Analyze for significant cooccurrence using Mahout sparse matrices

sequencemodel

The sequence anomaly detector from our second in the Practical Machine Learning Series

Chapter-16

Example server for Chapter 16 of Mahout in Action

pcap-filter

Experiments in PCAP file decoding at speed

ancient-stats

The ancient C version of the LLR statistics and related utilities. This is for reference only.

ponies

Sample recommender flow for search as recommendation

mahout-examples

Mahout Examples

sequence-model

A simple implementation of a probabilistic model for event sequences

parksim

TDigest

Native Julia implementation of t-digest

cluster-hinting

config-print

Prints Hadoop configuration variables

freezer

A hybrid discrete/continuous simulation of a freezer and its users

graph-demo

Demonstrates use of the multi command in Zookeeper

H3Geometry

H3 convenience package

h2o-matrix

Demonstration of Mahout compatible matrix and vector types based on h2o

G2

Implements the G^2 test for comparing counts

meta-ep

Recorded-step meta-mutation implementation and paper

timeSkew

Quick test for timers

ubuntu-bounce-host

A simple container that supports bouncing a login to another host via ssh

OpenUnits

image-rep

A repo for storing images referenced in other projects

split-search

Quick tests of the basins of attraction in an ERT optimizer

t-digest-example

ibm2ieee

Julia package to convert between IBM floating point (aka hexadecimal floating point or HFP) to IEEE floating point

work-group

Simple management framework for a fixed set of workers that come up at somewhat unpredictable times.