remove_diurnal_cycle: Remove diurnal cycle

In dataprep: Fast, Efficient, and Versatile Data Preprocessing and Reshaping with 'C++', 'OpenMP' & 'SIMD'

Remove diurnal cycle

Description

Removes the mean diurnal (or other periodic) cycle by subtracting the average value for each time period (hour, month, or day). The grouping is based on a time column.

Usage

remove_diurnal_cycle(data, cols = NULL, date_col = NULL,
                     by = "hour", verbose = FALSE)

Arguments

data	A data frame with a time column.
cols	Column indices or names to adjust.
date_col	Time column index or name.
by	Period for cycle removal: "hour", "month", or "day".
verbose	Logical; if TRUE, prints progress message.

Value

A data frame with diurnal cycle removed.

Examples

remove_diurnal_cycle(data[1:200, c(1, 4, 17:19)], cols = 3:5, date_col = 1, by = "hour")

dataprep documentation built on Oct. 1, 2026, 5:07 p.m.