Justin M. Shea

@justinmshea

...as in Shea Butter. Impartial spectator. Accidental Academic. Open source conference & user group organizer. Quant Finance. Computational Statistics.

Chicago, IL
Vrijeme pridruživanja: ožujak 2011.

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  1. Prikvačeni tweet
    21. sij

    A prompt from the exhibit to truly honor the spirit of . Also a final quote: “Our lives begin to end the day we become silent about things that matter [...] in the end we will remember not the words of our enemies, but the silence of our friends”. /End thread

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  2. proslijedio/la je Tweet
    5. velj

    Do you think that this plot makes more sense on a log scale? Poll below.

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  3. proslijedio/la je Tweet

    As criticism mounts over Iowa's lack of diversity despite its key role in the primary voting season, Gov. J.B. Pritzker makes a pitch for Illinois to go first. “It’s time for the most representative state in the country to be the first in the nation.”

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    In practical machine learning, the data distribution changes (slowly) in time, therefore you should measure accuracy (e.g. AUC) on a time-ordered/time-gapped test set. This "actual" accuracy will be typically lower than...

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  5. proslijedio/la je Tweet
    4. velj

    Having worked for a well-connected Democratic firm, this is what I’m going with for now. Leadership was incompetent because it was based on political connections, not technical competencies.

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    Today marks the 150th anniversary of the 15th amendment, giving African American men the right to vote. For much of its first 100 years, the right existed only on paper. And we still face voter discrimination. We must continue to fight to remove all barriers to the ballot box.

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  7. proslijedio/la je Tweet
    3. velj

    In "The Unprincipled Randomization Principle in Economics and Medicine," Ziliak and Teather-Posadas (2016) show that (1) RCTs in economics are 120 years old, and (2) as used by Duflo et al. they contribute to poverty, not alleviate it.

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    I’m gonna be honest, being a Black woman in tech at all white companies always gave me this “you’re not gonna last here long” feeling. I’d either be the first one laid off or I’d quit because of my inability to form relationships with ppl

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  9. proslijedio/la je Tweet
    21. sij

    What MLK wrote after his visit to India and lessons from Ghandi’s movement So many lessons in MLKs writing

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  10. proslijedio/la je Tweet
    30. sij

    My salute to the father of this nation on his death anniversary The man who fought and won with non violence and peace

    Ovo je potencijalno osjetljiv multimedijski sadržaj. Saznajte više
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  11. proslijedio/la je Tweet

    A few photos of Empire Maker from Nov. He leaves a big legacy behind as the grandsire of two KY Derby winners (one who was Champ Freshman last year, the other who has first foals) and the grandsire of a few other extremely promising stallions in addition to his own Eight Rings.

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  12. proslijedio/la je Tweet
    22. sij

    Wow, this'll be interesting to follow: _R_CHECK_EXCESSIVE_IMPORTS_: …nbr of imports from non-base packages exceed this threshold. Large numbers of imports make a package vulnerable to any of them becoming unavailable. Default: unset (but 20 for CRAN submission checks)

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  13. proslijedio/la je Tweet
    23. sij

    "Here’s the big risk: most FIRE blogs calculate withdrawal rate viability only with U.S. data. They’re extrapolating the historical best case of U.S. stock market returns as the future base case. (The U.S. was an emerging market in 1900.)"

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  14. 22. sij

    I love this headline: "Taking the Shock Out of Spikes in Electricity Prices" 🤣

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  15. proslijedio/la je Tweet
    16. sij

    ., of Technology Professor at , brings an economist’s expertise and perspective to and .🎙️Listen to her conversation with Professor and host :

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  16. proslijedio/la je Tweet
    20. sij

    "Basic permet d'apprendre très rapidement à programmer très mal" Xavier Leroy dans son inaugurale au

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  17. 21. sij
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  18. 21. sij

    A powerful photo on display, taken immediately after ’s assassination. It would occur as he was on a campaign to bring people together, across race, unified in pursuit of policies that would help all people of low income.

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  19. 21. sij

    *correction: "Separate But Equal" policies would NOT work. Sorry!

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  20. 21. sij

    As ’s journey continued into the later years of his life, his focus began to converge on economic and labor issues which effected all peoples of low income. And he began to reach and organize accordingly, across race. On display, a notice organizing the Poor Peoples campaign.

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