downsample_time_series_2: Downsample a timeseries with a datetime object

In edpclau/circadian-dynamics: Period and Rythm Analysis of Timeseries Data

Downsample a timeseries with a datetime object

Description

This function will resample time series data ( downsample) to the nearest minute, half-hour, hour, or day. It allow to summarise the measurement values using mean, median, or sum.

Usage

downsample_time_series(data = NULL, datetime_column = "datetime",amount = 30,
       units = c("minute", "hour", "day", "week"), method = c("mean", "sum", "median"))

Arguments

data	data frame or tibble with 2 columns. One column must be a POSIXct object.
amount	the amount of units to downsample for
units	a character object like:"hour", "minute", "day", "week". Default is "minute"
method	methods by which to summarise the measurement values in the timeseries: "mean", "sum", "median". Default is "mean".
datetime_column	column in data that has the datetime

Value

A data.frame with 2 columns: downsampled_data: summarise measurement values floored_dates: downsampled POSIXct object

Examples

df_downsampled <- downsample_time_series(data = raw_data,
datetime_column = "datetime", amount = 30, units = "hour", method = "sum")

edpclau/circadian-dynamics documentation built on Aug. 25, 2023, 12:18 p.m.