R/track.R
valid_observation_time.Rd
calculate valid observation time as sum of the length of all valid tracks divided by the sum of the length of all tracks
valid_observation_time(tracks, min_path_length = 19)
tracks | data frame with track objects |
---|---|
min_path_length | minimum length of a valid track |
valid_observation_time
data <- tibble::tibble( Metadata_timePoint = c(1:5), Location_Center_X = c(1, 2, 3, 4, 5), Location_Center_Y = c(1, 1, 1, 1, 1), TrackObjects_Label = c(rep(1, 5)) ) data <- dplyr::group_by_(data, "TrackObjects_Label") tracks <- migrationminer::track(data, "TrackObjects_Label") min_path_length <- 5 vot <- migrationminer::valid_observation_time(tracks, min_path_length)