Gavin Simpson
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261 followers
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New post on the blog:

Comparing smooths in factor-smooth interactions II

This time I look at how to use ordered factors w by-variable smooth, to fit a reference smooth plus difference smooths for the other levels

https://www.fromthebottomoftheheap.net/2017/12/14/difference-splines-ii/ #rstats #mgcv #R #statistics
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New post: First steps with MRF smooths in #R with #mgcv. Fitting a discrete spatial model with a beta response using a GAM via the Markov random field smoother. #rstats
First steps with MRF smooths
fromthebottomoftheheap.net
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New post: Comparing smooths in factor-smooth interactions

Estimating differences between smooths for each level of a factor using #rstats #mgcv #gam
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Fitting count and zero-inflated count GLMMs with mgcv

I compare fitting some simple GLMMs in mgcv using `gam()` with some recently-published results fitted using `glmmTMB()` in the glmmTMB package for #r #rstats
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Some further thoughts on prediction intervals for discrete GLMs. Part II discusses Poisson GLMs #rstats #R #glm #statistics
Prediction intervals for GLMs part II
fromthebottomoftheheap.net
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Some thoughts on prediction intervals for discrete GLMs, and why they aren't that useful, or even an interval. Part 1 discusses binomial GLMs #rstats #r #glm #statistics
Prediction intervals for GLMs part I
fromthebottomoftheheap.net
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New post: Simultaneous intervals for derivatives of smooths revisited (or more accurately fixed) #rstats #mgcv #R

http://www.fromthebottomoftheheap.net/2017/03/21/simultaneous-intervals-for-derivatives-of-smooths/
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Modelling extremes using generalized additive models.

New blog post looking at how the new gevlss() family function in the #rstats pkg #mgcv can be used to fit statistical models to extremes data in the form of block maxima using the GEV. #R
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Simultaneous intervals for smooths revisited: correcting a silly mistake

New #rstats blog post in which I eat crow over an earlier post in which I claimed to generate a simultaneous confidence interval for a GAM but got it gob-smackingly wrong!

#R #statistics #gam #mgcv
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New on my blog: Pangaea and #R and open palaeo data. Featuring #rstats, the pangaear package, a GAM, #opendata, and secondary axes in #ggplot Something for everyone!
http://www.fromthebottomoftheheap.net/2016/12/16/pangaea-r-open-palaeo-data/
Pangaea and R and open palaeo data
fromthebottomoftheheap.net