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o_guest's profile
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
Olivia Guest | Ολίβια Γκεστ
@o_guest

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Olivia Guest | Ολίβια Γκεστ

@o_guest

• goth gremlin • computational cognitive/neuroscience modeling • geek & techish Cypriot • plant aficionada • came up with #bropenscience • http://neuroplausible.com  •

Τότεναμ, Λονδίνο & Cyprus
olivia.science
Joined October 2015

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    1. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @AgnesNorbury @kirstie_j and

      A statistical model? Like a multiple regression?

      1 reply 0 retweets 0 likes
    2. Agnes Norbury‏ @AgnesNorbury 25 Jul 2018
      • Report Tweet
      Replying to @o_guest @kirstie_j and

      Yes, sorry, in this case likely some kind of regression (but also could be e.g. some kind of classification algorithm).

      1 reply 0 retweets 1 like
    3. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @AgnesNorbury @kirstie_j and

      Ah, so this is surely not really what I'm an expert in at all. FWIW this should be exactly what standard prereg is — although not an expert myself!

      1 reply 0 retweets 0 likes
    4. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @o_guest @AgnesNorbury and

      That "surely" is superfluous/a mistake. 🤣

      1 reply 0 retweets 1 like
    5. Agnes Norbury‏ @AgnesNorbury 25 Jul 2018
      • Report Tweet
      Replying to @o_guest @kirstie_j and

      Ah sorry, my fault for assuming you would probably know about anything model-related :-). Interesting to think about the computational case too though. Maybe this is covered under standard pre-reg under some kind of time-lock system.

      3 replies 0 retweets 1 like
    6. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @AgnesNorbury @kirstie_j and

      Ah, no worries! If you're asking me, I don't really think prereg makes sense for my work and I don't think computational modelling has the same type of reproducibility issues (it has others). But I can totally see why it's needed for (some) empirical work like this case.

      2 replies 0 retweets 0 likes
    7. Brad Wyble‏ @bradpwyble 25 Jul 2018
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      Replying to @o_guest @AgnesNorbury and

      IMO, Imodelling has enormous reproducibility issues in terms of over fitting to datasets. Models that work well on imagenet may not generalize to other image sets. If pre-regging reduces over fitting, then it may help.

      1 reply 0 retweets 1 like
    8. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @bradpwyble @AgnesNorbury and

      I don't disagree with the first part and by all means use any method. I don't think prereg can address this, but please try, of course! Correctly using the testing, training, and validation sets might help, I think. But even then that might not either. It's a big issue.

      1 reply 0 retweets 0 likes
    9. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @o_guest @bradpwyble and

      Just to be clear... Here you're using modelling to men machine learning, right? They don't use modelling that way and neither do I, so just making sure.

      1 reply 0 retweets 1 like
    10. Brad Wyble‏ @bradpwyble 25 Jul 2018
      • Report Tweet
      Replying to @o_guest @AgnesNorbury and

      Yes, ML. Modelling is one of those terms with many meanings.

      1 reply 0 retweets 0 likes
      Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
      • Report Tweet
      Replying to @bradpwyble @AgnesNorbury and

      Yes, but I wasn't talking about ML, just so we're clear, in the side thread but about the modelling I do... Which is why I mistakenly assumed I was tagged. Then I realised you mean ML and mentioned what I did in my replies to you.

      8:43 AM - 25 Jul 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Olivia Guest | Ολίβια Γκεστ‏ @o_guest 25 Jul 2018
          • Report Tweet
          Replying to @o_guest @bradpwyble and

          What I believe about my kind of modelling is slightly different to what I believe about ML modelling but there are overlaps which I've discussed at great length.

          1 reply 0 retweets 2 likes
        3. Brad Wyble‏ @bradpwyble 25 Jul 2018
          • Report Tweet
          Replying to @o_guest @AgnesNorbury and

          I totally agree.

          0 replies 0 retweets 2 likes
        4. End of conversation

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