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Insight Presentation

klivins
June 29, 2015

Insight Presentation

TLDR: Get Karma

klivins

June 29, 2015
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  1. the product reddit is a popular website that lets people

    post, view, and comment on each other's stuff
  2. the product reddit is a popular website that lets people

    post, view, and comment on each other's stuff it’s a great way of reaching the public… quickly
  3. the product reddit is a popular website that lets people

    post, view, and comment on each other's stuff it’s a great way of reaching the public… quickly redditors are kind of fickle though
  4. the product reddit is a popular website that lets people

    post, view, and comment on each other's stuff it’s a great way of reaching the public… quickly redditors are kind of fickle though can a user gain reddit points so as to reach the community quickly?
  5. the algorithm compare to users with higher percent of daily

    karma adjust user’s scores to match train RF regression model predict karma with new values calculate redditor’s performance
  6. the data data set: 3671 users collected with haphazard sampling

    from the front page of 3823 different “subreddits” to predict: overall karma (normed by length of membership)
  7. validation 1000 random data points removed from data set 10

    times trained on remaining 2671 users = 0.53 (+/- 0.03) .6 r2 MSE = 0.43 (+/- 0.01) (or, for humans, RMSE in original unit value = 4.57 points of karma per day)