r - Rule of thumb for deciding between Poisson and negative binomal ...
Nov 6, 2023 · The Poisson distribution implies so a one-sample test can provide a -value for testing Poisson vs. negative binomial. Another test for equidispersion is the Lagrange Multiplier which …
Relationship between poisson and exponential distribution
Note, that a poisson distribution does not automatically imply an exponential pdf for waiting times between events. This only accounts for situations in which you know that a poisson process is at …
How does Poisson thinning work? - Mathematics Stack Exchange
Oct 19, 2024 · The Poisson process on $\mathbb {R}$ is called non-homogenous with rate $\lambda (t)$ if its intensity measure has density $\lambda (t)$ (total mass of which might not equal 1, but …
Finding the probability of time between two events for a poisson process
May 25, 2015 · If two events occur at a rate of 1.8 per hour on average, and this occurrence follows a poisson process, what is the probability that there is at least 1 hour between two events? My …
Standard errors when implementing the 'Poisson Trick' (estimating ...
Jul 3, 2025 · Standard errors when implementing the 'Poisson Trick' (estimating multinomial from two poisson regressions) Ask Question Asked 7 months ago Modified 7 months ago
Why is there little difference in glm fit using poisson and gaussian ...
May 16, 2024 · I have been puzzling over a toy regression problem with simulated Poisson distributed data and hoping someone more educated in statistics can help me gain some insight about the …
logistic - Pros and Cons of Log Link Versus Identity Link for Poisson ...
What are the pros can cons of these two different link functions in Poisson regression, given my goal of comparing differences? I also have the same goal in mind for a logistic/binomial regression (to use a …
Probability Poisson distribution - Mathematics Stack Exchange
The number of cars appearing in a car park follows a Poisson distribution with a mean of 10 cars per hour. Find the probability of there being: (a) Exactly 5 cars in a 30 minute interval, (b) At most 3 cars …
probability - What is the uncertainty of a Poisson mean? - Mathematics ...
Oct 23, 2022 · @MishaLavrov 10 times more uncertain. Also, it makes more sense “in general”to me for the term uncertainty to mean standard deviation. The context here was about taking a weighted …
Autocorrelation function for a Compound Poisson Process?
Feb 3, 2025 · Now I construct a compound Poisson process in the following way. Let $X_1$ be the waiting time for the $1$ -th event (of the same Poisson process defined before).