Onsite course: Zero-inflated GAMs for the analysis of spatial and spatial-temporal correlated data using R-INLA. Monday 23 - Friday 27 September 2024. Hotel de Nieuwe Wereld, Wageningen, The Netherlands
This is a hybrid course; you can either attend in person or join simultaneously via Zoom.
Course flyer
We start with an introduction to Bayesian statistics and show how to execute Poisson and negative binomial GLMs in R-INLA. We then discuss zero-inflated GLMs for count data and continuous data, and show how to execute such models in R-INLA.
In the second part of the course, we discuss generalised additive models (GAM) and show how to execute these models in R-INLA. In the third part, we extend the zero-inflated GAMs with spatial, and spatial-temporal dependency.
During the course, several case studies are presented, integrating statistical theory with applied analyses in a clear and understandable manner. Throughout the course, we will use the R-INLA package in R. This is a non-technical course.
Pre-required knowledge
Participants should be familiar with data exploration, linear regression and basic GLMs (i.e. Poisson and negative binomial GLM) in R. The course does contain revision/preparation material with on-demand videos.
1 hour face-to-face
The course includes a 1-hour face-to-face video chat with the instructors (to be used after the course). You are invited to apply the statistical techniques discussed during the course on your own data and if you encounter any problems, you can ask questions during the 1-hour face-to-face chat.
A discussion board, accessible for 12 months, facilitates interaction on course content between instructors and participants after the course.
Course content
Preparation material (with on-demand video):
- Linear regression exercise in R.
- Poisson/negative binomial GLM exercise in R.
- Matrix notation.
- DHARMa for model validation.
Monday:
- General Introduction.
- Brief introduction to Bayesian Analysis. Conjugate priors. Diffuse versus informative priors.
- Theory presentation on R-INLA.
- Exercise on executing a Poisson/NB GLM in R-INLA.
- Theory presentation on zero-inflated GLM for count data.
- Exercise on executing a zero-inflated Poisson/NB GLM in R-INLA.
Tuesday:
- Catching up.
- Theory presentation on hurdle models for count data and continuous data.
- Exercise showing how to execute a zero-altered Poisson (or NB) GLM for the analysis of zero-inflated count data.
- Exercise comparing Tweedie and zero-altered Gamma GLM for the analysis of zero-inflated continuous data.
Wednesday:
- Theory presentation on GAM.
- Exercise on executing (zero-inflated) Poisson and negative binomial GAMs in R-INLA.
- Theory presentation on adding spatial correlation to a regression model in R-INLA.
Thursday:
- Catching up.
- Exercise on adding spatial correlation to a zero-inflated Poisson or negative binomial GAM.
- Exercise on adding spatial correlation to a Tweedie GAM for the analysis of zero-
- inflated continuous data.
- Theory presentation on adding spatial-temporal correlation to a GLM in R-INLA.
Friday:
- Exercise on adding spatial-temporal correlation to a Poisson or negative binomial GAM.
- Exercise on adding spatial-temporal correlation to a Poisson or negative binomial GAM.
- Time allowing: More exercises.
We reserve the right to change the exercises. Pdf files of all theory material will be provided. All exercises consist of data sets and annotated R scripts. Access to the course website is for 12 months. The Monday-Friday material does not contain on-demand video.
Course times
- Monday - Thursday: 09.00am to 16.30pm including a 1 hour lunch break and a 20 minutes break both morning and afternoon.
- Friday: 09.00-13.30. Including a 1/2 hour lunch break and a 20 minutes break in the morning.
For terms and conditions, see: