lutusp

101 ms·

931.
by lutusp 12y ago
> The OP clearly has Social Anxiety Disorder, also known as "social phobia". Has anyone considered that giving an empty name to a description adds nothing to the conversation? Until the day Social Anxiety Disorder shows up in a
932.
by lutusp 12y ago
I have to mention that Asperger's is no longer an official diagnosis -- it's been dropped from the DSM for an excellent reason (too easy to assign the diagnosis to nearly anyone). This will all change when we begin explaining me
933.
by lutusp 12y ago
> Excel's data visualization lack design edge. True, and uncontroversial. > What would you recommend as an alternative to create nice data visualizations? This is easy to ask and difficult to answer -- there are any number of way
934.
by lutusp 12y ago
God, I wish people would become minimally literate before trying to write essays. The linked piece is filled with the most atrocious misspellings and grammatical errors, as though the author couldn't be bothered to review what he had j
935.
by lutusp 12y ago
I've been in this game for a long time. BCD was a scheme to avoid the cost of binary-to-decimal conversion at display time, when processing was much more expensive than it is now. Obviously using binary storage of integers, you now can
936.
by lutusp 12y ago
Yes, and without rigorous scientific controls, predictions can be made to look much, much better than they really are. The study being discussed didn't even perform a statistical analysis based on the null hypothesis or produce a p-fac
937.
by lutusp 12y ago
Yes -- a scheme like this is used to prove the origin of a digitally signed email without revealing the sender's private key. So there's a model for this functionality.
938.
by lutusp 12y ago
Quote: "My immediate thought is that financial professionals could audit the value of past "pure science" and measure ROI" Wait -- the return on investment of "pure science"? That's a contradiction in term
939.
by lutusp 12y ago
> I gave a citation. You clearly don't understand the meaning of "citation" among scientists. You posted a quote from a press release that didn't even pretend to be a scientific assessment of the work. > The quote
940.
by lutusp 12y ago
> You are completely wrong. Citation needed. There has never been a study of forecasting ability that has stood the test of time -- ever, anywhere. > I don't know why everyone seems to think the researchers are incompetent. The n
941.
by lutusp 12y ago
Why are you even considering this investment? It comes down to a basic question -- what kind of player are you: * A gambler, interested in risk and excitement. * An investor, interested in reliably making money. If you're a gambler, th
942.
by lutusp 12y ago
> Those attitudes - that mental illness are caused by the family - are old and not acceptable any more. "Not acceptable"? Your post suggests that, because the "refrigerator mom" idea has been debunked, that mental hea
943.
by lutusp 12y ago
> Presumably they try and control for this. How could they? They're using a retrospective design, which means they wait until someone's past forecast turns out to be correct, then they tally that as a data point in favor of the
944.
by lutusp 12y ago
> Your coin example is a game of pure chance while trading on current events have much more context to inform predictions. It's really quite a difference. The only difference is that, in a coin toss, the statistics are much clearer.
945.
by lutusp 12y ago
Quote: "But ultimately one might expect the same basic finding as always: that forecasting events is basically impossible. Wrong. To connoisseurs of the frailties of futurology, the results of the Good Judgment Project are quite astoni
946.
by lutusp 12y ago
Hey -- enough already? https://hn.algolia.com/?q=fake+cellphone+towers#!/story/fore... (6 posts in 12 days)
947.
by lutusp 12y ago
> Are there no legitimate reasons for texting while driving? Not if you're driving -- it's inexcusable. It's hard enough to type on a small device's virtual keyboard while sitting at a desk without any distractions, m
948.
by lutusp 12y ago
> A cheap lithium pill would sell in huge volume and be profitable even with a minimal markup. The problem should be obvious -- lithium is an element that cannot be protected by trademark, patent or copyright. Anyone marketing it is sure
949.
by lutusp 12y ago
For those unfamiliar with Erdős -- http://en.wikipedia.org/wiki/Paul_Erd%C5%91s -- he was a very prolific mathematician whose dedication to his craft was such that he became a vagabond with no home of his own, moving f
950.
by lutusp 12y ago
> I can't but help wonder whether higher levels of lithium also correlate with a clean water supply, which would indicate a more affluent community. Not likely, because the water supply of an affluent community would have highly fil
951.
by lutusp 12y ago
Because bottled water doesn't have real or imagined therapeutic properties, and lithium does. Eventually someone unfamiliar with the rules will advertise a lithium/water product as having medical effects, and that will end the gam
952.
by lutusp 12y ago
The answer is that, as one moves into more behaviors and more detail, the chance to meaningfully correlate outcomes with lithium exposure becomes more difficult. Also, because no one knows why those correlations exist (why lithium has the e
953.
by lutusp 12y ago
Quote: "But there are undoubtedly other reasons for its neglect. Pharmaceutical companies have nothing to gain from this cheap, ubiquitous element." Ah, of course. This is why lithium is ignored or actively disparaged, while drugs
954.
by lutusp 12y ago
Well, it's a bit confusing. I posted my comment when the submission title was much less relevant to the article's content than it is now. The title was edited to better reflect the topic after my comment was posted.
955.
by lutusp 12y ago
The comparison needs perspective. The fact that night vision goggles amplify light levels by a factor of 1 * 10^4 to 5 * 10^4, isn't relevant to the issue of doubling night vision in an unaided eye. That would be like saying the existe
956.
by lutusp 12y ago
A classic psychology study -- it discovers traits that successful, mentally healthy people have in common, but without being able to explain why those traits might be important, or uncover any cause-effect relationships that might exist.
957.
by lutusp 12y ago
No mention of password managers, an obvious way to avoid using similar passwords on different sites, and to be able to employ strong passwords.
958.
by lutusp 12y ago
Quote: "The ratio between a circle’s circumference and its di- ameter, named π, is a mathematical constant of crucial importance to science, yet most scientists rely on pre- computed approximations of π for their research. This is prob
959.
by lutusp 12y ago
> Do innate geniuses are more successful as entrepreneurs or inventors? 1. Can you rephrase that? 2. Can you unambiguously define "genius"? The term doesn't have a generally agreed meaning. 3. It might have been more produ
960.
by lutusp 12y ago
Nice article that discusses a practical change brought about by electric car technology, but an unfortunate title that doesn't reveal anything about its subject.

More ›