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Results tagged with stan
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user 54923
Stan is software for Bayesian estimation using the No-U-Turn sampling (NUTS) algorithm instead of the simpler Gibbs sampling (BUGS).
1
vote
2
answers
2k
views
Determining normalizing constant for Weibull distribution
I am fitting a Weibull distribution to some data in Stan. I am trying to reproduce some published values of parameters from a paper. … The paper gives the pdf equation as follows:
$p(x|\mu,\nu) = \frac{1}{K} (\frac{x}{\nu})^{\mu - 1} exp(-(\frac{x}{\nu})^{\mu})$
However the Weibull pdf in Stan is:
$p(x|\mu,\nu) = \frac{\mu}{\nu} (\ …
- 305
2
votes
1
answer
578
views
Interpretation of coefficients in mixed-effects model with circular response?
I fit a mixed-effects model with the R package brms (a wrapper for Stan software) using a von Mises distribution (with default link functions) for the response, with temperature as a fixed effect and species …
- 305
2
votes
1
answer
107
views
Bayesian GLM where the response variable is count classes
Description of data
I have to analyze some data where the response variable is the counts of number of insects observed feeding on a bait at many time points. The treatments are three different types …
- 305