An essential but feared topic in spatial analysis is spatial autocorrelation (SAC). If this term is new to you, check out my primer on autocorrelation in ecology. If you work with spatial data in R (or plan to do so)…
Analyses for spatial autocorrelation
Many environmental and biological variables contain spatial structure. This article describes where autocorrelation occurs and statistical methods to account for it.
Autocorrelation in ecology
An explanation of temporal, spatial, and phylogenetic autocorrelation and why it matters.