Equinox Filter for Position Data

Applies an equinox filter to position data based on calibrated light data.

Usage

equinox_filter(
  posdata,
  posdata_lat,
  light_data_calibration,
  logger_colony_info
)

Arguments

posdata

A data frame containing position data with columns date_time.

posdata_lat

A numeric vector of latitudes corresponding to the position data.

light_data_calibration

A list containing light data calibration parameters, including equinox start and end dates.

logger_colony_info

A list containing logger colony information, including col_lat.

Value

A data frame with an additional column eqfilter indicating equinox effect presence (TRUE = no equinox effect, FALSE = equinox effect).