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Just curious - did you include only the title and text of the question, or also the tags and author history?

• yeldarb 7y ago
  Only title, and text. My original goal was to make a Chrome extension that would give you tips to help you craft a better question. (I added tags to the language model later.)
  • baroffoos 7y ago
    Date also plays a huge part. Most stackoverflow posts get very little votes in the month they were posted but slowly grow as people search a problem and find an answer. The oldest posts have the highest score so something like "How do I change branch in git" will get 4000 points but posting the same thing or a similar thing today will get you a negative score. Generally very short questions score badly because they will be stuff like "How do I make a video sharing website" but a very similar question like "How do I copy the current line in vim" will score well as long as its not a duplicate. Both of those questions look similar when you just look the words and sentence structure. To know the difference you have to understand what a video sharing website is and know what kind of task copying a line in vim is so you can know which one is a reasonable question and which one is likely to help more future readers.
    • yeldarb 7y ago
      I did try to rule out question age as a major source of error in the model by training on a sample of ~1 million questions all from ~2012. But it didn’t do any better on those. And (theoretically) duplicates are deleted by the moderators.