valid_observation_time: calculate valid observation time as sum of the length of all...

Description Usage Arguments Value Examples

Description

calculate valid observation time as sum of the length of all valid tracks divided by the sum of the length of all tracks

Usage

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valid_observation_time(tracks, min_path_length = 19)

Arguments

tracks

data frame with track objects

min_path_length

minimum length of a valid track

Value

valid_observation_time

Examples

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 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)

cells2numbers/migrationminer documentation built on May 28, 2019, 7:12 a.m.