[FRIAM] better simulating actual FriAM

[Frank Wimberly]

Heuristic:

What a mess.  High entropy.

Everything in its place.  Low entropy.

---
Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Tue, Jul 21, 2020, 8:57 AM uǝlƃ ↙↙↙ <gepropella at gmail.com> wrote:

> Excellent! Thanks. It's not clear to me why I get so confused. Every time
> I think about uncertainty and information, I have to Google concepts like
> entropy and negentropy and re-orient myself. I suppose I just don't do
> enough hands-on work with it to develop a tacit memory.
>
> On 7/20/20 5:18 PM, David Eric Smith wrote:
> > But if one did want to keep track of signs, I think in several sentences
> below where Glen is talking about the presence of limitations’ reducing the
> allowed variability in some distribution, we could say we use one or
> another _entropy_ measure to quantify the reduction in likely variability.
> To the extent that one tries to characterize _information_ as Shannon did —
> a measure of how much ambiguity in a sample is reduced by having some bit
> of knowledge that rules out variations — then the reductions in entropy of
> the constrained ensemble relative to its prior would be called a gain of
> information in moving to the posterior from the prior.  So without worrying
> about the zero-point for either of these measures, or their resulting
> absolute signs, in many settings one would talk of the change of
> information’s being positive when the change of the corresponding entropy
> is negative.
>
> --
> ↙↙↙ uǝlƃ
>
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