R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'ctmm'

ctmm::akde |  | Autocorrelated Kernel Density Estimation | HTML | source | R code
ctmm::error |  | Telemetry error | HTML | source | R code
ctmm::interactions |  | Pairwise interactions | HTML | source | R code
ctmm::periodogram |  | Periodic movement models | HTML | source | R code
ctmm::variogram |  | Variograms and Model Selection | HTML | source | R code