Ruff-2

require(clusterTrack)
#> Loading required package: clusterTrack
require(clusterTrack.Vis)
#> Loading required package: clusterTrack.Vis

GNSS locations for one male Ruff.

See ruff07b5 for more information on the dataset.

data(ruff07b5)

ctdf <- as_ctdf(ruff07b5, time = "timestamp") |>
  cluster_track()

map(ctdf)

• N:
  - fixes:2772
  - clusters: 26
• Parameters:
  - nmin = 3
  - minCluster = 3
  - z_min = 1
  - trim = 0.05
  - deltaT = NA
  - aggregate_dist = NA
• clusterTrack v.0.1.1

summary(ctdf) |>
  head()
#>    cluster               start                stop                 geometry
#>      <int>              <POSc>              <POSc>              <sfc_POINT>
#> 1:       1 2023-05-09 23:00:00 2023-05-10 05:00:00 POINT (646745.5 6231214)
#> 2:       2 2023-05-11 12:00:00 2023-05-16 03:00:00 POINT (644428.6 6232152)
#> 3:       3 2023-05-17 07:00:00 2023-05-27 19:00:00 POINT (645544.4 6239096)
#> 4:       4 2023-05-29 11:00:00 2023-05-29 22:00:00  POINT (2845257 7442539)
#> 5:       5 2023-05-30 08:00:00 2023-06-01 03:00:00  POINT (2869199 7461530)
#> 6:       6 2023-06-02 07:00:00 2023-06-07 11:00:00  POINT (2991014 7464949)
#>     lof_q95     ids     N          tenure    dist_to_next elongation
#>       <num>  <char> <int>      <difftime>         <units>      <num>
#> 1: 1.162738    5-11     7  0.2500000 days    2499.255 [m]  0.0000000
#> 2: 4.400319  42-153    83  4.6250000 days    7033.694 [m]  1.1943308
#> 3: 4.182494 181-428   173 10.5000000 days 2507391.057 [m]  0.1009961
#> 4: 2.267933 472-483    12  0.4583333 days   30558.992 [m]  0.0000000
#> 5: 2.139639 493-536    34  1.7916667 days  121863.580 [m]  0.0000000
#> 6: 1.916319 565-689    80  5.1666667 days    4789.178 [m]  0.0000000