1. recurse::martin
    Sample trajectory (martin).
    csv| xlsx| json| ndjson| rda| rds
    data.frame|600 x 4
  2. recurse::track
    Sample trajectory (track).
    csv| xlsx| json| ndjson| rda| rds
    data.frame|100 x 4
  3. recurse::wren
    Sample trajectory (wren).
    csv| xlsx| json| ndjson| rda| rds
    data.frame|600 x 4