[Turing-Southampton] S3RI seminar: Eliane Rodrigues, Thursday 2-3pm

[Helen Ogden]

Dear all,

On Thursday (29 November) at 2pm in 54 / 7035 (7B), we have an S3RI 
seminar from Eliane Rodrigues (UNAM, Mexico) on "An analysis of the rate 
of ozone exceedances in Mexico City using a spatio-temporal 
non-homogeneous Poisson model with change-points". Details are given below.

The talk will be followed by tea and cake in the staff reading room on 
level 4 of building 54.

All are welcome!

Best wishes,

Helen

An analysis of the rate of ozone exceedances in Mexico City using a 
spatio-temporal non-homogeneous Poisson model with change-points

Eliane Rodrigues, Universidad Nacional Autónoma de México

We consider a non-homogeneous Poisson model to analyse the rate of ozone 
exceedances. Besides depending on time the rate function of this Poisson 
model will also depend on some parameters. We also allow the presence of 
change-points in the model. An anisotropic spatial component is imposed 
on the vector of the parameters of the Poisson rate function as well as 
on the vector of change-points. The parameters of the rate function and 
of the spatial model as well as the location of the change-points will 
be estimated using the Bayesian point of view via a Metropolis-Hastings 
algorithm within the Gibbs sampling. The model is applied to ozone data 
obtained from ten stations which are part of the monitoring network of 
Mexico City, Mexico.

This is a joint work with Geoff Nicholls, Mario H. Tarumoto, Dani 
Gamerman, and Guadalupe Tzintzun.


For the current schedule of S3RI seminars, see 
https://tinyurl.com/s3riseminar

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