require(clusterTrack)
require(clusterTrack.Vis)ARGOS locations for one male Pectoral Sandpiper.
See pesa56511 for more information on the dataset.
data(pesa56511)
ctdf <- as_ctdf(pesa56511, time = "locationDate") |>
cluster_track()
map(ctdf)
summary(ctdf) |>
head()
#> cluster start stop geometry
#> <int> <POSc> <POSc> <sfc_POINT>
#> 1: 1 2014-06-02 23:25:19 2014-06-04 05:00:22 POINT (-10052790 7771939)
#> 2: 2 2014-06-04 07:39:07 2014-06-04 15:37:33 POINT (-9968399 7758418)
#> 3: 3 2014-06-04 17:20:36 2014-06-05 04:22:12 POINT (-9970427 7754612)
#> 4: 4 2014-06-05 13:55:36 2014-06-05 18:16:43 POINT (-9862118 7729126)
#> 5: 5 2014-06-05 22:21:00 2014-06-09 20:01:01 POINT (-9657317 7711109)
#> 6: 6 2014-06-10 09:31:53 2014-06-21 02:07:48 POINT (-10051784 7769235)
#> ids N tenure dist_to_next
#> <char> <int> <difftime> <units>
#> 1: 5-75 66 1.2326736 days 85467.551 [m]
#> 2: 82-107 26 0.3322454 days 4312.954 [m]
#> 3: 112-137 22 0.4594444 days 111267.054 [m]
#> 4: 150-165 15 0.1813310 days 205591.644 [m]
#> 5: 177-351 167 3.9027894 days 398726.389 [m]
#> 6: 362-862 460 10.6916088 days NA [m]