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Commits on Aug 30, 2009

• add caching to vector computations & refactor vector classes to use it

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Commits on Aug 21, 2009

• rm require for rm'd code

  danielsdeleo

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• home cooked distance measure did not make the cut

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Commits on Aug 20, 2009

• latest run; group repos via jaccard dist. k=50

  

  Ubuntu

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Commits on Aug 19, 2009

• make_github_recommendations.rb is now for converting repos=>similar repos file into results

  danielsdeleo

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• repos=>similar_repos generated with Tanimoto distance metric

  danielsdeleo

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• Hamming distance is a terrible distance metric to find similar repos

  danielsdeleo

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Commits on Aug 18, 2009

• cache array size for micro optimization

  danielsdeleo

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• popularity expected to have opposite correlation of distance metric

  danielsdeleo

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• Users watching only one repo are not predictive and just waste compute cycles

  danielsdeleo

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Commits on Aug 16, 2009

• similarity between repos and other repos, generated by

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  Ubuntu

  authored and

  Ubuntu

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• try using the full dataset for github now that some optimizations have been made

  danielsdeleo

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• finish KNN early if we've found 10 neighbors at distance 0

  danielsdeleo

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• optimize for equal vectors in hamming distance calculations

  danielsdeleo

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• optimize jaccard/tanimoto calculations

  danielsdeleo

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• Fix a NameError & rm crufty old code

  danielsdeleo

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• kick threading back up to 16 threads to ensure full use of 8 core machine

  danielsdeleo

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• TDD FTW & latest settings for github contest scripts

  danielsdeleo

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• converting document names to strings is a WTF factory

  danielsdeleo

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Commits on Aug 15, 2009

• Rewrite of the github contest code. The old stuff smelled like @$$

  danielsdeleo

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• BkTree can return its distance metrics

  danielsdeleo

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• cleanup debugging output, don't print repo cluster tree

  danielsdeleo

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Commits on Aug 14, 2009

• ditto

  

  Daniel DeLeo

  committed
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• fix serious WTFs. What do you mean, TATFT?

  

  Daniel DeLeo

  committed
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• Merge branch 'master' of [email protected]:danielsdeleo/Decider

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  Daniel DeLeo

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• Oops!

  danielsdeleo

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• try most popular repos as a default

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• moar

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• memoize

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• try even more to fix problem of users not following enough repos

  danielsdeleo

  committed
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• memoize repo cluster results

  danielsdeleo

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• more defense against people following only a few repos

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• lt != gt

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• people who only follow rails are lame

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• bug in recommendation code

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