For meaningful aggregation of trajectory data represented by objects defined in the R package 'trajectories' S4 generic methods are provided. The package 'trajaggr' includes methods for spatio-temporal overlay of 'Track' objects with 'Spatial' objects defined in package 'sp' and STF objects defined in package 'spacetime'. On basis of the 'over' methods for spatio-temporal overlay also 'aggregate' methods are provided to aggregate 'Track', 'Tracks' or 'TracksCollection' objects over 'Spatial' or 'STF' objects. Moreover a method 'count' is provided, that may be used to count the number of trajectory objects over 'Spatial' or 'STF' objects. To enable the usage and analysis of (animal) trajectory objects represented by classes defined in other R packages, in particular in the packages 'move' and 'adehabitatLT', bidirectional coercion methods are implemented, that provide coercion between objects defined in 'trajectotries' and objects defined in 'move' and 'adehabitatLT'.
|License||GPL (>= 2)|
|Package repository||View on GitHub|
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