Variogram

MoveApps

Github repository: https://github.com/ctmm-initiative/ctmmMoveApp_variogram

Description

Creates a variogram for visualisation of the autocorrelation structure of the movement tracks.

Documentation

Before fitting continuous-time movement models (ctmms) to movement tracks, it is (as of now) important to ensure that the data are of animals in range residence, which is an assumption of the models. Variograms visualize autocorrelation structure in an unbiased way when e.g. migration, range shifting, drift or other translations of the mean location are happening. See details in the ctmm vignette for variograms.

Input data

ctmm telemetry.list.

Output data

ctmm telemetry.list.

Artefacts

none

Settings

Fraction: The proportion of the variogram that will be plotted. By default, half is shown (= 0.5). The tail end is generally not very meaningful. Note, this changes the x-axis.

Columns: The number of panels of the figure.

Same axes for all individuals: For all individuals the same scalings of the x-axis and y-axis are used.

Select animal(s): By default All animals are selected. Other options are to select individual animals or select population for a population-level variogram. (see pooling variograms in the vignette).

Store settings: click to store the current settings of the app for future workflow runs

Most common errors

Please file an issue if you encounter an error.

Null or error handling