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GidMK's profile
Health Nerd
Health Nerd
Health Nerd
Verified account
@GidMK

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Health NerdVerified account

@GidMK

Epidemiologist. Writer (Guardian, Observer etc). "Well known research trouble-maker". PhDing at @UoW Host of @senscipod Email gidmk.healthnerd@gmail.com he/him

Sydney, New South Wales
theguardian.com/profile/gideon…
Joined November 2015

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    1. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      Thus far most of the prevailing sentiment that this data isn't real seems to come from anecdotal beliefs: not very much evidence that the company exists, insider knowledge of how hard it is to connect EHR data, etc.

      2 replies 0 retweets 18 likes
      Show this thread
    2. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      And that is all pretty convincing, but I wanted to find a statistical 'proof' - something like what ultimately exposed the Wansink papers and other frauds. I wanted to find numbers that cannot exist. And so far, I haven't found any.

      2 replies 0 retweets 16 likes
      Show this thread
    3. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      (That doesn't mean they aren't there, just that I haven't found them yet)

      1 reply 0 retweets 9 likes
      Show this thread
    4. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      So there's another possibility that I want to discuss. What if there's a "real" (fake) dataset? This gets a bit weird to talk about publicly - sort of an "If I Did It" thing - but go with me on this...

      2 replies 2 retweets 25 likes
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    5. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      It really isn't *that* hard to simulate data to have simple patterns that you want. And the easiest way to make these papers look convincing is to create a "real" (fake) dataset, then run "analyses" on all of the fake dataset, so they're internally consistent.

      2 replies 1 retweet 21 likes
      Show this thread
    6. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      Now, a lot of folks are claiming that the solution here is "open data" - figuring that if SSD is asked to hand over the data, he just won't agree, and that's the end of the story. He won't produce the data because the data don't exist.

      1 reply 1 retweet 13 likes
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    7. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      But...what if he does produce the data? What then?

      1 reply 0 retweets 15 likes
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    8. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      Playing this scenario out, he can turn over the "real" (fake) dataset, say that he just needed time to make sure that it was properly de-identified and had all legal agreements or whatever, and then no amount of statistical forensics will prove that it didn't exist.

      2 replies 0 retweets 21 likes
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    9. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      So I am a bit stuck. There seems to be an assumption that asking him to provide the data will be game over because he cannot produce the data. I don't think that is a stone-cold lock, either.

      3 replies 0 retweets 24 likes
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    10. Andrew Althouse‏ @ADAlthousePhD 4 Jun 2020

      And, since I'm one of the less-pro-open-data-than-much-of-academic-Twitter, I do feel compelled to point out that open data (while it has presumed advantages) is not going to be the foolproof solution, either.

      6 replies 1 retweet 27 likes
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      Health Nerd‏Verified account @GidMK 4 Jun 2020
      Replying to @ADAlthousePhD

      Yes this has occurred to me too. You can't just release data like this, it's far too readily reidentifiable. Much more complex than many are making it out to be

      2:11 PM - 4 Jun 2020
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