[HN Gopher] Probabilistic Models of Cognition
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       Probabilistic Models of Cognition
        
       Author : graderjs
       Score  : 89 points
       Date   : 2022-03-08 11:43 UTC (11 hours ago)
        
 (HTM) web link (probmods.org)
 (TXT) w3m dump (probmods.org)
        
       | z5h wrote:
       | Took a peek. Information is accessible and interesting. Code
       | snippets work and visualizations are clear. Can anyone who has
       | read this (or similar) speak to deeper points? Did it change
       | anything for you? Is it outdated? etc.
        
         | nextos wrote:
         | It's not outdated. Many ideas there, like mixture models or
         | hierarchical models are pretty timeless mathematical concepts.
         | 
         | A nice follow up is [1], which delves more into more technical
         | inference aspects.
         | 
         | There are also follow up texts by the same authors [2,3].
         | 
         | Another approach to further learning is to implement your own
         | library. My favorite implementation is [4], which is both
         | advanced and easy to understand.
         | 
         | [1] https://arxiv.org/abs/1809.10756
         | 
         | [2] http://dippl.org/
         | 
         | [3] https://agentmodels.org/
         | 
         | [4] https://gen.dev/
        
       | tpoacher wrote:
       | What is the notebook "library" used here? Looks very nice.
       | Couldn't quite spot it from the page source code.
        
         | pc86 wrote:
         | Is it possible that it's just custom? It looks very familiar,
         | but https://probmods.org/assets/css/default.css seems to be the
         | bulk of the non-bootstrap styling and it doesn't look like it
         | was generated.
        
       | servytor wrote:
       | The Lisp version (Church) is here[0]. The current version is just
       | a JavaScript library.
       | 
       | [0]: http://v1.probmods.org/
        
         | wodenokoto wrote:
         | I really wish I could run church in a notebook as I need a bit
         | more space to experiment in order to solve the problems in
         | probmod.
         | 
         | Maybe just a repl would be enough.
         | 
         | I guess the bottom line is that it made sense to do probmod in
         | a more "normal" programming language. Figuring out the lisp
         | like code and the probabilistic problems at the same time is
         | quite a mouthful.
        
           | nanomonkey wrote:
           | Org-mode supports evaluating code blocks though org-babel.
           | https://www.orgmode.org/worg/org-
           | contrib/babel/languages/ob-...
        
       | j_d_b wrote:
       | Does this book just get resubmitted every year? I see this exact
       | post going back every year to 2013.
        
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       (page generated 2022-03-08 23:02 UTC)