Re: Frequentist theory of probability

2022-12-05 Thread Lawrence Crowell
Basically frequentism says there is some preexisting distribution of 
probabilities, a sample space, that once understood can predict all 
probabilities. This is an "objectivist" perspective. Bayesian statistics 
says for practical work this does not exist, we must use what limited 
knowledge we have to make an estimate, a Bayesian prior, and then compute a 
probability outcome. This can be repeated in a regression. In the end for N 
--> infinity frequentism and Bayesianism effectively converge to the same 
result.

LC

On Sunday, December 4, 2022 at 10:24:57 PM UTC-6 agrays...@gmail.com wrote:

> How can the frequentist theory of probability be applied to a system, such 
> as the H atom, which has an infinite set of possible outcomes for all 
> energy level transitions?  AG
>

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Re: Frequentist theory of probability

2022-12-05 Thread Brent Meeker
Right.  And frequentist interpretation is in fact applied in testing 
probabilistic theories like QM because in fact we can only have finite 
experimental results.


Brent

On 12/5/2022 11:36 AM, Jesse Mazer wrote:
There are a number of variants of frequentism, would you include 
hypothetical frequentism with a time-ordering? Namely, the idea that 
probability should be understood in terms of a hypothetical scenario 
where we could do an unending number of trials, such that if the 
frequency of some outcome in the first N trials is f_N (with 'first N' 
defined in terms of the time they occurred, not some other ordering), 
then the probability of that outcome would be defined as the limit of 
f_N as N approaches infinity. In this case I don't see why an infinite 
set of possible outcomes should be a problem--if each outcome has some 
finite probability, that means the number of trials with that specific 
outcome approaches infinity in the limit as the total number of trials 
approaches infinity, and the relative frequencies of any given pair of 
outcomes should approach the ratio of their probabilities according to 
QM laws.


On Sun, Dec 4, 2022 at 11:24 PM Alan Grayson  
wrote:


How can the frequentist theory of probability be applied to a
system, such as the H atom, which has an infiniteset of possible
outcomes for all energy level transitions?  AG
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Re: Frequentist theory of probability

2022-12-05 Thread Jesse Mazer
There are a number of variants of frequentism, would you include
hypothetical frequentism with a time-ordering? Namely, the idea that
probability should be understood in terms of a hypothetical scenario where
we could do an unending number of trials, such that if the frequency of
some outcome in the first N trials is f_N (with 'first N' defined in terms
of the time they occurred, not some other ordering), then the probability
of that outcome would be defined as the limit of f_N as N approaches
infinity. In this case I don't see why an infinite set of possible outcomes
should be a problem--if each outcome has some finite probability, that
means the number of trials with that specific outcome approaches infinity
in the limit as the total number of trials approaches infinity, and the
relative frequencies of any given pair of outcomes should approach the
ratio of their probabilities according to QM laws.

On Sun, Dec 4, 2022 at 11:24 PM Alan Grayson  wrote:

> How can the frequentist theory of probability be applied to a system, such
> as the H atom, which has an infinite set of possible outcomes for all
> energy level transitions?  AG
>
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> .
>

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Frequentist theory of probability

2022-12-04 Thread Alan Grayson
How can the frequentist theory of probability be applied to a system, such 
as the H atom, which has an infinite set of possible outcomes for all 
energy level transitions?  AG

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