R/track.R
forward_migration_index.Rd
Compute the forward migration index of a tracked object
forward_migration_index(tracks, x_var = "Location_Center_X", y_var = "Location_Center_Y")
tracks | data frame with track objects |
---|---|
x_var | variable name / columne name used for x-coordinates |
y_var | variable name / columne name used for y-coordinates |
forward migration index
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)) ) tracks <- migrationminer::displace(data,"TrackObjects_Label") forward_migration_index <- migrationminer::forward_migration_index(tracks)