average_data: Average raw hourly data by year or month-year

In pollylang/aqtrends: Tools for trend analysis of air quality network data

Description

Average raw hourly data by year or month-year

Usage

average_data(df, avg.time = "year", statistic = "mean",
  sites = FALSE, date.format = FALSE)

Arguments

df	Data frame containing the variables date, site_code, value.
avg.time	Character vector specifying the time period over which to average the data. Option are 'year' or 'month' (to return the annual/monthly average)
statistic	The statistic to use for averaging. Options are 'mean' or 'median'.
sites	Logical indicating whether averaging should be grouped by site (TRUE) or data should be averaged over all sites (FALSE).

Value

Data frame of annual/monthly average concentration data

pollylang/aqtrends documentation built on May 20, 2019, 8:24 p.m.