The packages are mainly from CRAN and a few of them are from other repositories. The packages included here are mainly tracking packages though we include a subsection of other movement-related packages. We encourage the users to verify how coordinates are processed in the packages, as the consequences can be important in terms of spatial attributes (e.g.
Regarding (x,y), some packages may assume 2-D Euclidean (Cartesian) coordinates, and others may assume geographic (longitude/latitude) coordinates. However, a package analyzing accelerometry series to detect changes in behavior would not fit. For instance, a package that would use accelerometer, gyroscope and magnetometer data to reconstruct an objects's trajectory-most likely an animal's trajectory-via dead-reckoning, thus transforming those data into an (x,y,t) format, would fit into the definition.
#Use task view full#
(x,y,t)), allowing a full workflow from raw data from tracking devices to final analytical outcome.
, are those explicitly developed to either create, transform or analyze tracking data (i.e. The packages listed here, henceforth called Tracking data are composed by at least 2-dimensional spatial coordinates (x,y) and a time index (t), and can be seen as the geometric representation (the trajectory) of an object's path. Movement of an object (both living organisms and inanimate objects) is defined as a change in its geographic location in time, so movement data can be defined by a space and a time component.
This CRAN Task View (CTV) contains a list of packages useful for the processing and analysis of tracking data.īesides the maintainers, the following people contributed to the creation of this task view: Achim Zeileis, Edzer Pebesma.