Questions tagged [probability]
Consider if your question would be better at stats.stackexchange.com. Probability touches upon uncertainty, random phenomena, random numbers, random variables, probability distributions, sampling, combinatorics.
probability
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How to prove expected residual time formula
Can anyone help me to show that for a general random variable X with a fixed distribution to model the time interval between the independent events. The expected residual time, which is the time one ...
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Dynamic weights - efficient way to increase relative probability of specific items
I know that for static weights the recommended way to go is Walker Alias method because it has sampling complexity of O(1).
However I have a case where I need to be able to temporary adjust ...
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Generate all possible contingency tables with fixed marginals; probability under independence [closed]
Is there a function in R to generate ALL possible two-way contingency tables for given marginal frequencies? This could be programmed but maybe someone already did this. The reason I'm asking is this. ...
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What distribution should I use? [closed]
I'm new to statistics and need to create a probability distribution with the following study:
*Note: Due to proprietary reasons the example given below is the best representation of the real data.
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Hash function distribution [closed]
Hey considering an Hash function f(x), that distribute evenly, 1/m, for array size m.
Why the probability of two element when x1!=x2, to collide meaning f(x1)=f(x2) is 1/m and not 1/m^2 ?
my ...
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I try to understand F ditribution and relations to chi square and variances
Hello to everyone out there, I am trying to understand why F distribution and how it's related to chi-square. Why there are two formulas (with chi-square values devided by their corresponsing degrees ...
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Understanding binornd() function
When I see the codes of the function that generates random binomial numbers, I am confused by the sentence of this
for i = 1:numel(r(:))
r(i) = nnz(x(:,i) <= p);
end
is this r(i) = nnz(x(:,i) &...
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How to calculate the confidence intervals for a time-lagged cross correlation?
I am trying how to calculate the confidence intervals for a time-lagged cross-correlation graph. It's a bit complicated for me to understand probability concepts. I have investigated the formulas to ...
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Average case run time of a randomly distributed variable
If we have a variable with some distribution, m. And we have an array that grows by the variable m, and will grow to size n, how does one calculate the computational complexity?
Like....worst case ...
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How to make probability based using Flutter's Random function?
I was trying to implement a gacha system using probability and show the result with a SnackBar, I have found question #61822429, and tried using it but i could'nt found the right way.
I was expecting ...
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How to evaluate whether the results of multiple games conform to the probability distribution of their respective states [migrated]
There are n games, and each game has a state after the start.
Based on this state, the probability of the outcome of the game can be calculated.
For example, there are 3 type of results, and the ...
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When can we safely use the Randomized algorithm considering probability?
Recently when reading SICP, one footnote says:
Numbers that fool the Fermat test are called Carmichael numbers, and little is known about them other than that they are extremely rare. There are 255 ...
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Bayesian Analysis: "Probability as Prediction" vs. "Likelihood as Explanation"?
In Bayesian Analysis, to what degree(s) does:
"Probability" mean prediction(s) of a future event(s), and
"Likelihood" means an assessment of the cause(s) of a
past event(s)?
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A random sequence Zn such that WN = (1\N)* ∑ Zi (1 to N) does not converge in probability to E{Z1}? can someone give an example
A random sequence Zn such that WN = (1\N)* ∑ Zi (1 to N) does not converge in probability to E{Z1}? can someone give an example
I am not sure about the definition of convergence in probability and ...
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What is the scatter plot of the numbers that i will provide
X. Y
780 90
350 87
920 95
1000 96
450 88
300 85
640 91
520 89
890 94
720 93
200 86
980 97
600 90
430 86
760 92
910 94
370 87
550 89
850 95
250 85
A scatter plot picture please help me with this ...
