my nerd blog

e13: semi supervised naive bayes
- what is a semi supervised algorithm?
- v1: a semi supervised version of naive bayes
- does it do any better?
- v2: rewriting for scale

e12: statistical synonyms (work in progress)
- what are statistical synonyms?

e11: round the world tweets (work in progress)
- tweets around the world
- from bash scripts to hadoop
- aggregating tweets by time of day
- at what time does the world tweet?

e10: decomposing social graphs on twitter (work in progress)
- introducing tgraph
- crawling twitter
- tgraph crawl order example
- twitter crawl progress
- communities in social graphs

e9: do it yourself statistically improbable phrases
- introduction
- take 1: trigram frequency
- take 2: term frequency
- take 3: markov chains
- part 4: but does it scale?

e8: twitter experiments
- are you popular?

e7: should i burn it?
- the problem
- brute force
- random walk

e6: the median of a trillion numbers
- the question
- the base algorithm
- distributing
- generating test data
- ruby implementation
- brutally short introduction to erlang
- single process erlang implementation
- multiple process erlang implementation
- performance comparisons
- running on amazon ec2
- conclusion

e5: deduping with resemblance metrics
- the jaccard coefficient
- fastmap projection using jaccard distances
- simhash and sketching

e4: rss feed stuff / should i read it?
- the m-algorithm
- considering word occurrences
- the naive bayes method
- multinominal bayes
- markov chains

e3: audioscrobbler experiments
- bands like the bands i like
- the distance from celion dion to napalm death
- multi dimensional tag distance

e2: chaoscope experiment

e1: particle swarm optimisation experiment

pics 
- 2008 03 espen
- 2006 06 around the world (east to west)
- 2004 12 wedding
- 2004 09 skydiving
- 2004 01 the northern territory
- 2003 01 kyoto
- 2002 12 pool party
- 2002 07 old arcade games
- 2002 04 johnny walker visits lambert ave
- 2002 02 three uni students in adelaide
- 2001 12 new kitten
- 2001 12 around the world (west to east)
- 2001 09 top secret rocket experiments
- 2000 pre perth poker phase page
- 1999 tokyo
- 1996 usa

other
- oh the places you'll go
- my nerd blog
- me on twitter
- me on github
- me on youtube
- me on facebook

send me an email! matthew.kelcey at gmail dot com