Package index

Data structures

Core S3 object for a light exposure trace.

light_trace()

Construct a light exposure trace object

validate_light_trace()

Validate a light exposure trace

Exposure metrics

Photic exposure summaries.

compute_mean_light()

Compute mean or median light exposure

compute_tat()

Compute Time Above Threshold (TAT) for light exposure

compute_photic_history()

Compute cumulative photic history

compute_melanopic_edi()

Approximate melanopic equivalent daylight illuminance (melanopic EDI)

Timing & regularity metrics

Light onset/offset, timing, and regularity.

find_light_onset()

Find daily light onset

find_light_offset()

Find daily light offset

compute_light_midpoint()

Compute mean light timing (MLiT)

compute_lri()

Compute the Light Regularity Index (LRI)

Visualisation

Actogram-style plotting for visual QC.

plot_light_actogram()

Plot a light exposure actogram

Package

Package-level documentation.

luxR luxR-package

luxR: Light Exposure and Photic Regularity Analysis for Chronobiology Research