Derek Groen

@whydoitweet

Lecturer at Brunel, tech. mngr of . Themes: computing and ; forced and simulations. Views are my own.

London, UK
people.brunel.ac.uk/~csstddg
Joined May 2009
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  1. Retweeted
    May 29

    Jubilation as small local community side ⁦⁩ heading to ⁦⁩ for first time in 74 years The stuff of fairytales

    4 replies 17 retweets 95 likes
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  2. May 27

    Seal is back in fashion!

    this figure I just encountered in a scientific paper has split my entire day into the Before and the After
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  3. Retweeted
    May 25

    Hey, kids! Do you like AstraZeneca? Do you like Bayesian statistics? Then why not do a funded PhD on Bayesian statistics in collaboration with AstraZeneca? Bonus: living in Bristol, working in the nicest building, probably having me as your pastoral tutor.

    8 replies 56 retweets 185 likes
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  4. Retweeted
    May 21

    Very interesting difference between and , both active in the same field; ACM embraces open abstracts, open citations and related developments; IEEE hasn't opened its abstracts and is in fact the world's largest publisher that hasn't yet joined

    We're delighted to announce that has joined ; it's great to see that "ACM fully supports the open availability of metadata of scientific outputs"; thanks ACM for your commitment to open abstracts and open metadata!
    19 retweets 30 likes
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  5. May 24

    And here another piece of coverage of B.1.617.2, but from the opposite perspective!

    I'm still utterly stunned by yesterday's events - let me go over this in chronological order & why I'm shocked. - first, in the morning yesterday, we saw a 'leaked' report to FT which reported on data that was not public at the time🧵
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  6. May 23

    This Twitter thread mentions all the latest on the new B.617.2 variant :).

    Lots of questions still bouncing around on vaccine efficacy vs B.1.617.2, so here are some follow-ups to our Saturday morning story: Thread follows, and and I published a new story last night covering all the details including transmissibility:
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    1 retweet 1 like
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  7. Retweeted
    May 14

    I mean it’s not wrong, I’m not even offended 😝

    112 replies 1,563 retweets 9,364 likes
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  8. Retweeted
    May 17

    THIS IS ME

    28 replies 198 retweets 1,322 likes
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  9. Retweeted
    May 16

    This absolutely happens: billions of $$ in insurance funds have been withheld from minorities due to use of statistical information in calculating settlement figures. It's horrible, but no one seems to talk about it. I made a video about it 2 years ago:

    I mean, wow, just wow.
    55 replies 136 retweets 792 likes
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  10. Retweeted
    May 12

    . welcomes the dynamic leadership of this panel by & . He hopes the report will bring attention to the critical issues highlighted and will prompt governments to implement its recommendations.

    Here is a snapshot of 's key findings, as presented by &
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    3 replies 26 retweets 47 likes
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  11. May 12

    Actually... it was roughly what we expected on the 6th of January: In our experience, agent-based models can do a good job forecasting beyond the current case trendlines.

    Amidst all the bad COVID news, here’s some good news: full school in-person return in UK went better than anyone expected. Continuing decline in cases & positivity after re-opening. Possibly bc of bubbles, testing, ventilation, holding restrictions in other areas, vaccination.
    1 retweet 3 likes
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  12. May 11

    An EU proposal call for large research infrastructure proposals (€20M+) now got extended a second time because the submission portal is not robust enough to handle the proposals. Perhaps they should first do a call for EU submission portal infrastructure? ;)

    2 retweets 14 likes
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  13. Retweeted
    May 8

    Really nice elucidation of the productivity issues and hiring in Academic institutions themselves also contain, and are subject to, perverse incentives which tend to reduce research and teaching productivity in people they hire.

    1:48
    Some Friday afternoon thoughts that had been brewing for awhile. Nothing about this take is particularly new, but after talking about work/life balance and incentives in research for years now, it's been useful for me to frame it this way.
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    2 retweets 6 likes
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  14. Retweeted
    May 1

    Dear customer services help lines, please do not spend the first 3 minutes of the call telling me it may be easier to do this online. If I could find what I wanted online then I'd sure as hell do that rather than sit on the phone listening to your hold music.

    35 replies 14 retweets 352 likes
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  15. Retweeted
    Apr 21

    I have no words. You cannot imagine how rare that is.

    56 replies 95 retweets 586 likes
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  16. Retweeted
    Apr 18

    Three weeks on, with cases still falling, is it too soon to conclude that we didn't get up to R=1.5 "in the next few weeks"?

    Ok, back of an envelope, I'm struggling to see how we get R up to 1.5 in "the next few weeks", given the current level of vaccinations. A key measure for "how bad things are likely to get given comparable level of lockdown" is (number of people susceptible) x (transmissibility)
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    9 replies 4 retweets 159 likes
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  17. Retweeted
    Apr 12

    The thought leader fallacy: "I did X and became super successful. If you would do X, you would also be successful."

    23 replies 331 retweets 1,393 likes
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  18. Apr 15

    Seems the right time for this message ;).

    I keep hearing that you can't lose money if you don't sell. That's nonsense and needs to be put to death for good. To a first approximation, anyone who has $500 can trade it for $500 worth of crypto. Anyone who has $500 worth of crypto can trade it for $500. 1/3
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  19. Retweeted
    Apr 14

    Our mobile app is live in the iOS and Android app stores. This guide has setup information for new users and describes how monetization on works.

    5 retweets 9 likes
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  20. Retweeted
    Apr 13

    For perspective, here are some numbers: 1 in 1,000,000: J&J vaccine 1 in 3,000: oral contraceptives 1 in 5: hospitalized COVID-19 patients As someone who got the J&J vaccine 8 days ago, and who took oral contraceptives for 20 years, I’ll take these odds.

    602 replies 9,749 retweets 34,816 likes
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