Frank Harrell

@f2harrell

Prof, Founding Chair of Biostatistics, Vanderbilt U. Expert Statistical Advisor, Office of Biostatistics, FDA CDER. Blog: Statistical Thinking -fharrell.com

Έγινε μέλος την περίοδο Ιανουάριος 2017

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  1. Ο χρήστης έκανε Retweet
    πριν από 19 ώρες

    1. Shut down 2. Jail key decision makers and possibly some of the engineers involved 3. Give the money back to the people it abused (its users) 4. Build ethical replacements for its useful bits

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  2. πριν από 16 ώρες

    Glad that has restarted this hot discussion on datamethods. I just posted a response that tries to generalize the question.

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  3. Ο χρήστης έκανε Retweet
    19 Δεκ

    Statistically, machine learning has poor modeling practices which should limit generalizability. It doesn't. Why? For tasks like image recognition, all humans on the ML team understand ground truth; in healthcare/science tasks, it won't be the same. We can expect lots of failure.

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  4. Ο χρήστης έκανε Retweet
    πριν από 23 ώρες

    My Christmas present for the community: 2.7 is now on CRAN extending support for Gaussian processes and fixing a substantial performance bug in some post-processing methods among other new features and improvements.

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  5. Ο χρήστης έκανε Retweet
    17 Δεκ

    Please read—well worth your time. Challenges of Non–Intention-to-Treat Analyses | Research, Methods, Statistics | JAMA | JAMA Network

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  6. Ο χρήστης έκανε Retweet
    17 Δεκ

    It's a big stretch to put such a positive spin on the wastage of resources that occurs when the scientific pathway is led astray building upon results that can't be replicated.

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  7. 17 Δεκ

    Glad to see questionable research practices elevated with respect to severity of harm to science

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  8. Ο χρήστης έκανε Retweet
    17 Δεκ

    A+ beautiful, a grand achievement by it is wonderful to see Byrne on clean background, all the original copies I saw over the years all had extensive foxing. In my Envisioning Information, we fully rebuilt 2 Byrne pages, hand-separated colors for printing.

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  9. Ο χρήστης έκανε Retweet
    16 Δεκ

    Let me get this straight: Sears has $25 million laying around to pay out executives who ran the company into the ground, but doesn't have any money to give the thousands of workers they laid off severance pay?

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  10. Ο χρήστης έκανε Retweet
    15 Δεκ

    Tonight’s ruling creates confusion, puts affordable health insurance at risk, and targets Americans with pre-existing conditions. The Supreme Court already upheld the law’s constitutionality — twice. Sign up tonight for 2019 coverage at .

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  11. Ο χρήστης έκανε Retweet
    14 Δεκ

    "It took more than a half century to reach the point where faced with a choice between democracy and power, the party chose the latter," argues George Packer.

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  12. Ο χρήστης έκανε Retweet
    14 Δεκ

    Didn’t he impeach Bill Clinton over the same thing?

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  13. Ο χρήστης έκανε Retweet
    14 Δεκ

    A couple days ago another team asked me to speak about Bayesian data analysis. I decided that instead of doing a nuts/bolts of how to fit/use Bayesian models, I would describe "Bayesian analysis: The Good Parts". <potentially controversial thread>

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  14. Ο χρήστης έκανε Retweet
    13 Δεκ

    Not that this is terribly surprising, but still an important message for all to hear.

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  15. Ο χρήστης έκανε Retweet
    12 Δεκ

    Invite others to submit their lists of prevalent faux-pas' compromising reliable evidence generation.

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  16. Ο χρήστης έκανε Retweet
    12 Δεκ

    Hi everyone. It’s been awhile since I’ve had a good old-fashioned methods critique, but I'm feeling it today:

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  17. 12 Δεκ

    Many Analysts, One Data Set – many conclusions - good discussion continues. Hope that joins in -

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  18. 11 Δεκ

    Favorite way to picture probabilities: not with stick figures or frequencies but with a thermometer plot (example below is taken from )

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  19. 11 Δεκ

    Statistician take of the day: A $100 data analysis can make a $1,000,000 study worth $1,000.

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  20. 11 Δεκ

    What the GOP stands for ...

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