ma: Moving Average

In wjunger/ares: Environmental air pollution epidemiology: a library for time series analysis

Description

Compute simple moving average of a variable.

Usage

ma(var, begin, end, selection = TRUE)

Arguments

var	variable to average
begin	initial index
end	final index
selection	a logical indicating whether .ares.selection should honoured

Details

This function is used mainly to compute accumulated exposure to meteorological factors and/or pollutants. The arguments begin and end control the window size for simple moving average computation, for instance, if one sets this parameters to 0 and 2 respectively, the resulting averages will be based on the concurrent day and the two previous days.

The function may be used inside a model formula to estimate the accumulated exposure effects.

Value

Return var averaged and if .ares.selection is set, averaged var is cut accordingly.

Author(s)

Washington Junger [e-mail] and Antonio Ponce de Leon [e-mail]

See Also

mean,setup

wjunger/ares documentation built on Dec. 23, 2021, 5:17 p.m.