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metapotat's profile
very offline potat
very offline potat
very offline potat
@metapotat

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very offline potat

@metapotat

Joined September 2018

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    1. very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      It's just abstracting away those details. Utility theory allows you to ground your problem in biology by specifying biologically plausible preferences. But if that's not important for your problem, you don't have to.

      1 reply 0 retweets 0 likes
    2. A. S.‏ @LoCtrl 24 Apr 2019
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      Replying to @metapotat @C_Harwick and

      I have to go back to my original comment: maximization of utility is inherent in utility theory. If you stop looking at utility as a function to be maximized, the whole thing falls apart.

      1 reply 0 retweets 0 likes
    3. very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      I can't parse this. Are you saying it's tautological? Or something else?

      1 reply 0 retweets 0 likes
    4. A. S.‏ @LoCtrl 24 Apr 2019
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      Replying to @metapotat @C_Harwick and

      Let me rephrase: a lot of things in utility theory stop making sense if you stop looking at utility as a function to be maximized.

      1 reply 0 retweets 0 likes
    5. very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      How am I supposed to look at it

      1 reply 0 retweets 0 likes
    6. A. S.‏ @LoCtrl 24 Apr 2019
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      Replying to @metapotat @C_Harwick and

      In a way that is not "as a function to be maximized."

      2 replies 0 retweets 0 likes
    7. very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      Ok, here are the possible interpretations: Utility is not something that society maximizes. Utility is a psychological construct, akin to happiness, that humans sometimes try to get more of but not always. Humans are bounded agents and can't maximize for that reason Etc

      2 replies 0 retweets 0 likes
    8. A. S.‏ @LoCtrl 24 Apr 2019
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      Replying to @metapotat @C_Harwick and

      None of the above. The interpretation is ConstructedWithMaximizationInMind, a long German word.

      1 reply 1 retweet 0 likes
    9. very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      Sigh

      1 reply 0 retweets 0 likes
    10. A. S.‏ @LoCtrl 24 Apr 2019
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      Replying to @metapotat @C_Harwick and

      How is utility different from loss function? The latter is ConstructedWithMinimizationInMind. It is difficult to look at loss function in ML in any other way -- that construction is its defining characteristic.

      1 reply 0 retweets 0 likes
      very offline potat‏ @metapotat 24 Apr 2019
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      Replying to @LoCtrl @C_Harwick and

      Well utility theory goes through the trouble to derive utility functions from ordinal preferences. But I'm not sure I get your point with this comparison

      10:32 PM - 24 Apr 2019
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        2. very offline potat‏ @metapotat 24 Apr 2019
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          Replying to @metapotat @C_Harwick and

          Both are supposed to represent how valuable different outcomes are to a decision maker. If that representation is accurate, maximization/minimization is implied from the decision maker's perspective.

          1 reply 0 retweets 0 likes
        3. very offline potat‏ @metapotat 24 Apr 2019
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          Replying to @metapotat @C_Harwick and

          Of course no real life agent has a single consistent set of preferences, or can literally optimize (which takes boundless resources), etc. So even if you get that function right, it may not be useful to describe their behavior. But it can often be a good approximation.

          1 reply 0 retweets 1 like
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