rrf: RR for one environmental indicator, one demographic group

In ejanalysis/ejanalysis: Tools for Environmental Justice (EJ) Analysis

RR for one environmental indicator, one demographic group

Description

**Probably obsolete given RR().

Inputs are vectors over small places like Census blocks or block groups or possibly individuals (ideally) but then d would be a dummy=1 for selected group and 0 for people not in selected group

Usage

rrf(e, d, pop, na.rm = TRUE)

Arguments

e	Environmental indicator vector, one number per place, required. e is environmental index or health risk level (e.g., PM2.5 concentration to which this person or place is exposed)
d	Demographic indicator vector, required, one number per place, fraction of population that is in group of interest d is percent of place that is selected demog group (e.g. percent Hispanic) (or d=1 or 0 if this is a vector of individuals)
pop	Population total per place, required, of which d is a fraction. pop is population count of place (or pop=1 if this is a vector of individuals)
na.rm	Logical optional TRUE by default in which case NA values (missing values) are removed first. If FALSE, any NA value in pop, e, or d would make result NA.

Value

Returns one number

See Also

RR()

Examples

#
 # rrf(places$pm, places[ , unlist(Dlist)[1]],  places$pop)

ejanalysis/ejanalysis documentation built on April 2, 2024, 10:12 a.m.