Collapse motion detection events into episodes

Collapse motion detection events into episodes

Usage

collapse_migration_episodes(df, migration_map)

Arguments

df

a data frame of migration image data, read in with read_image_data().

migration_map

A small data.frame defining the upstream direction(s) of travel for each sample station. Valid upstream values are: "L to R", "R to L", "T to B", "B to T". Columns must include:

• sample_station_label

• upstream

Value

a data frame with motion detection events collapsed into 1 row per episode, and summary information about each episode (e.g. duration, number of triggers, total count, direction of travel, ...).