rrfv | R Documentation |
Probably obsolete given RR()
. Provides Relative Risk (RR) by demographic group by indicator based on Census data
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.
For one environmental indicator, multiple demographic groups.
rrfv(e, d, pop, na.rm = TRUE)
e |
Environmental indicator vector, one 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 (not matrix/df?), required, one 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. |
Returns numeric vector if one demographic group? ** check
RR()
#
# rrfv(places$pm, places[ , unlist(Dlist)], places$pop)
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