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John Baez

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John Baez
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  • David wrote: what I’m looking at is probably the most likely avenue for me to make a helpful contribution. Makes sense. Personally I'm eager to run a two-level neural network on the problem and see how well it does, along with various other "…
  • David wrote: I’m very interested if anyone has any ideas of a non-binary statistic that could be used instead as a prediction variable. I suppose one possibility that could be used is the count of months within the next 5 for which the El Nino 3…
  • Thanks for your long comment, David... especially given that it was eaten by the ether the first time 'round! One of the things that makes me a bit hesitant to look at neural nets, decision forests, etc, at this point is that I don’t understand …
  • That sounds great! I'd love it! I used to use Mathematica but our department can no longer afford it. I would like to test out Mathematica by drawing the densest known packing of regular tetrahedra. I've recently been wasting time in a silly sid…
  • David Tweed wrote: Hi, just as a general note I'm slowly incrementally adding code towards doing linear/bilinear regression here... Thanks, great! But I don't really know what you're doing. I guess it's something new or nonstandard, because …
  • Dara wrote: I do not mind burning the midnight oil and try some novel code or just do something simple, as you wish. Great! I hope we can do something like this. A few weeks ago I said: But I don’t feel that I can say “write code that us…
  • Jim wrote: I’ve tried to summarise them but I’m not sure which wiki page would be most appropriate to post it on if it’s of any use? How about putting your summary on a new page called [[Machine learning]]? I don't see any existing pages that…
  • Piotr wrote: With quantum mechanics - I know it is not the main focus of Azimuth, so my biggest doubt is what should be the level. Do you think that, as of now, it is OK? The big challenge of science writing is to carefully imagine a class of …
  • I just got back from Singapore. I'm still jet-lagged, but I think it would be fun to write a short blog post about this: Pau Krugman, Errors and emissions - could fighting global warming be cheap and free?. and the reports he refers to. I thin…
  • Hi! Piotr wrote: The first two topic articles are standalone, general introductions to these topics. And I believe that they are of the general interest and benefit of the readers. The third one is about a paper arXiv:1310.6638, in which we are…
  • Thanks, Nad. But I don't literally have an ulcer! That was just a metaphor. I really want to go to this Neural Information Processing Seminar, since there are probably lots of smart people interested in "networks" there. I was invited to give a…
  • Anyway, my work on this book is mostly done for a while, and I can focus on other things, like: the El Niño project. Applying for NSF grants. Teaching a grad seminar on network theory. I'll write course notes as blog articles.
  • Just for your amusement, here is my letter to someone I know at Oxford University Press. I'm curious about what sort of response I'll get. I know he did not dismiss my first demand out of hand when I discussed this with him once. I hope you're …
  • The book Quantum Techniques for Stochastic Mechanics is now done enough to show to a couple publishers (Oxford U. Press and the American Mathematical Society). Chapter 25 is about Petri nets and computation, and Section 25.4 is based on Jim Stuttar…
  • Okay, but I quit working on particle physics and quantum gravity because I think people need a really good idea to make further theoretical progress. Sometimes the best thing to do is quit and do something else.
  • Dara wrote: John this is what I could do to help out for that talk: Make you fancy interactive CDF to explain the concepts for the talk, assumption being you have a good machine to run it on. Thanks! But first we need to do the research …
  • Dara wrote: John I try to get you some interim computations to visualize how the minimization of error is handled by ML algorithms e.g. SVR. I don't want you to do unnecessary work. To understand how minimization of error is handled, and how …
  • That's very flattering! I'll try to illustrate what I think is good science. Just please remember that this El Niño stuff is not my field of expertise, so I'm likely to blunder around and make some amateurish mistakes. But of course that too is p…
  • I'll wait a while before trying to read it, since I'm pretty busy. Just let me know when you want feedback.