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mrfredward

HN member
Joined
Tue, Jun 12, 2018, 12:16 PM UTC
HN karma
1,442
Public activity
342 items

About mrfredward

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Recent public activity

  1. comment
    Comment #27950970

    Liquid retail stocks follow Benford's law because there is a notion of intrinsic value from the company and an army of quant traders trying to exploit any price inefficiency caused…

  2. comment
    Comment #27949646

    I guess we need to make a distinction between the blog post and the Gary Smith post it links to here. Gary smith (the person I think you're referring to having spent a career in th…

  3. comment
    Comment #27949368

    Benfords law is used to find evidence that the numbers came from a person, not a measurement or mathematical process, right? So anyone who knows what a limit order is should not be…

  4. comment
    Comment #27883842

    I am a few months in to a 15 year mortgage after recently refinanced at a 2.125%. Here's a rough breakdown of where each dollar of my last mortgage payment went: Principal: 60% Int…

  5. comment
    Comment #27832149

    Here's an example for something as simple as a hobbyist using a metal lathe in their garage: For a rough part, you can measure how much material you need to take off, do it in a fe…

  6. comment
    Comment #27820895

    The downside of seniority based pay is that people who show little to no motivation can end up the highest paid on a team if they simply avoid getting in trouble for 20 years. I kn…

  7. comment
    Comment #27786715

    From the code you linked: > Computing professionals should protect confidentiality except in cases where it is evidence of the violation of law, of organizational regulations, or o…

  8. comment
    Comment #27786637

    The dictionary defines ethics as the field of knowledge dealing with moral principles, sure, and that's not at all what I'm talking about here. Perhaps I erred in using the word to…

  9. comment
    Comment #27783423

    You've confused ethics and morals. The ethical action (which is about professional standards rather than your conscience) is usually to follow the legal agreement you've signed (ba…

  10. comment
    Comment #27712034

    From the tweet it looks like an awesome search feature. Just type what you wanted to search for right inline and then it can drop the result in without you ever changing a window o…

  11. comment
    Comment #27417197

    Somewhat buried, but this my favorite takeaway >Errors of omission are generally much more serious than errors of commission, but errors of commission are the only ones picked up b…

  12. comment
    Comment #27356533

    I believe width is referring to pulse width, which should be a time unit.

  13. comment
    Comment #27316742

    For a very basic CRUD app I tend to agree with you. But for anyone dealing with synchronization between threads/processes/machines, modeling engineering problems with large systems…

  14. comment
    Comment #27282002

    Well of course not, but it's a pretty strong risk factor.

  15. comment
    Comment #27275936

    >the power differential is so intense that evidence can be ignored This is a good point from the article to expand on, it's not just coincidence that the Hanoi rat massacre and the…

  16. comment
    Comment #27121188

    Oops, yeah I mixed up some numbers there, would have to be a mustang loaded with options for my comparison.

  17. comment
    Comment #27119633

    There is no metric for "inflation for cars". What the BLS data is saying is that the nominal price/quality for cars has stayed the same. So in 1990 you could get a mustang for $20k…

  18. comment
    Comment #26862921

    Worth noting that the executive get paid at least a comfortable base salary for as long as the cash-burning business keeps its doors open, and if hype creates a pop in the equity p…

  19. comment
    Comment #26837298

    Take a look at the "Many Assets" subheading in the original post.

  20. comment
    Comment #26790924

    >Comparing their asset balance with the market cap of its stock is complete nonsense. Ben Graham, one of Warren buffet's mentors, wrote a famous book called the "Intelligent Invest…

  21. comment
    Comment #26638322

    +1 For Dietrich's version of it. He renames sociopaths, clueless, and losers to opportunists, idealists, and pragmatists, and in general tones the theory down a bit, and I think th…

  22. comment
    Comment #26475325

    >You're forgetting many people live in apartments in dense urban areas How much sunlight do they get in parking garages?

  23. comment
    Comment #26327539

    Contracts are sometimes a useful deterrent, because going to court sucks and can cost you a lot of money. They're also not a replacement for trust, because going to court sucks and…

  24. comment
    Comment #26304517

    There's an awesome introductory book on information theory which in one chapter resolves Maxwell's demon. The argument is that the energy needed to reliably send a single bit of in…

  25. comment
    Comment #26249981

    >Is following Conway's law a bad thing, though Is following the second law of thermodynamics a bad thing? I say so jokingly because thermo is a little more rigid, but I still think…