Using GAMs and Checking for Autocorrelation in Time Series Data
Sep 21, 2025 · Should I instead collapse replicates to yearly means and model autocorrelation across years? Or can I keep replicates modeled this way? Do hierarchical models with penalization give the …
Spatial autocorrelation correction with glmmTMB - Cross Validated
Apr 19, 2023 · The help info says you can have residual spatial autocorrelation even if the model takes care of it. I added the command rotation="estimated" during the recalculation and the autocorrelation …
autocorrelation - What does it mean for a time series to be ...
May 17, 2023 · I am familiar with computing the autocorrelation function of a time series as a function of time lag, but I am not sure what it means for a time series to itself be autocorrelated.
lme4 nlme - How to deal with spatial autocorrelation AND temporal ...
Jan 24, 2022 · When creating a mixed model (or GLS) with spatiotemporal data, you can include correlation structure into your model to address autocorrelation. Spatial autocorrelation can be …
How to test the autocorrelation of the residuals?
You don't need to test for autocorrelation. It is there. The plot shows that. You could look at the autocorrelation function of these residuals (function acf()), but this will simply confirm what can be …
What's the deal with autocorrelation? - Cross Validated
So why is autocorrelation a bad (or good) thing? 2.) The solution I've heard for dealing with autocorrelation is to diff the time series. Without trying to read the author's mind, why would one not …
How to interpret autocorrelation of residuals and what to do with it?
Apr 10, 2013 · I was wondering what does it mean when time series residuals have autocorrelation? How should I deal with it?
Correcting for autocorrelation in simple linear regressions in R
Nov 11, 2015 · very easy to follow and helpful for a first timer like me to test for autocorrelation. I have found autocorrelation occuring in some of my linear regression models, but I haven't got such a …
Autocorrelation, Durbin-Watson and non time-series data
May 28, 2014 · 1 I have a simple linear regression with age as independent variable and a cognitive scale as dependent variable. Each subject is present only once. As it is not time-series data and …
What's the purpose of autocorrelation? - Cross Validated
Sep 16, 2019 · 10 First, I think you mean what is the purpose of evaluating autocorrelation and dealing with it. If you really mean the "purpose of autocorrelation" then that's philosophy, not statistics. …