Eliezer_Yudkowsky comments on Intuitive supergoal uncertainty - Less Wrong

4 Post author: JustinShovelain 04 December 2009 05:21AM

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Comment author: Peter_de_Blanc 04 December 2009 07:55:30PM 1 point [-]

Can you give a reference? Because that strikes me as rather un-Jaynesian.

You say that the interval tells us something about how apt the estimate is to move in the face of new evidence. What does it tell us about that? Doesn't it depend on which piece of evidence we're talking about? Do you have to specify a prior over which variables you are likely to observe next?

Comment author: Eliezer_Yudkowsky 04 December 2009 08:50:16PM 1 point [-]

Second the question, it doesn't sound Jaynesian to me either.

Comment author: wedrifid 05 December 2009 03:14:06AM 0 points [-]

Second the question, it doesn't sound Jaynesian to me either.

I'm relieved that I'm not the only one who thought that. I was somewhat aghast to hear Jaynes recommend something that is so, well, obviously a bull@# hack.

Comment author: Cyan 05 December 2009 03:48:22AM 0 points [-]

It's curious to me that you'd write this even after I cited chapter and verse. Do you have a copy of PT:LOS?

Comment author: wedrifid 05 December 2009 04:45:40AM *  0 points [-]

It's curious to me that you'd write this even after I cited chapter and verse. Do you have a copy of PT:LOS?

I do have a copy but I will take your word for it. I am shocked and amazed that Jayenes would give such a poor recommendation. It doesn't sound Jaynesian to me either and I rather hope he presents a variant that is sufficiently altered as to not be this suggestion at all. You yourself gave the reason why it doesn't work and I am sure there is a better approach than just hacking the scale when it is near 1 or 0. (I am hoping your paraphrase sounds worse than the original.)

Comment author: timtyler 09 December 2009 04:04:04PM 0 points [-]

Best to give a probabilty density function - but two 2-S-F probabilites typically gives more information than one.