nvR_circadianResponse: Non-visual circadian response

In steffenhartmeyer/lightdosimetry: Functions for quantifying personal light exposure data

Non-visual circadian response

Description

This function calculates the non-visual circadian response

Usage

nvR_circadianResponse(
  irr_mel,
  lux,
  sampling_int,
  datetime = NULL,
  sleep_onset = NULL,
  shiftModel = FALSE
)

Arguments

irr_mel	Numeric vector. Melanopic irradiance values.
lux	Numeric vector. Photopic illuminance values.
sampling_int	Numeric. Sampling interval in seconds.
datetime	POSIXct vector. Datetime values. Will only be used if sleep_onset is specified. Default is NULL.
sleep_onset	Character. Time of habitual sleep onset in the format "HH:MM:SS". Will only be used if datetime is specified. Default is NULL.
shiftModel	Logical. Should the spectral shift model be used? Default is FALSE.

Details

If datetime and sleep_onset are not specified, the start of the timeseries is assumed to be at habitual sleep onset. The timeseries is assumed to be regular. Missing values in the light data will be replaced by 0.

Value

Numeric vector with circadian response values.

References

Amundadottir, M.L. (2016). Light-driven model for identifying indicators of non-visual health potential in the built environment. [Doctoral dissertation, EPFL]. EPFL infoscience. http://dx.doi.org/10.5075/epfl-thesis-7146

steffenhartmeyer/lightdosimetry documentation built on Jan. 29, 2024, 12:48 p.m.