prd: Calculate Price-Related Differential

Description Usage Arguments Details Value

View source: R/formulas.R

Description

The price-related differential (PRD) is a measure of veritical equity, and is the mean divided by the weighted mean.

Usage

1
prd(assessed, saleprice, na.rm = FALSE)

Arguments

assessed

A numeric vector of assessment values.

saleprice

A numeric vector of sale prices.

na.rm

Logical value indicating whether NA values should be removed.

Details

The PRD is a measure of vertical equity. It is known to have a slight upward bias. For this reason, the PRB is a regarded as a more reliable metric. PRD values above 1.03 are indicative of assessment regressivity, while values below 0.98 is indicative of assessment progressivity.

Value

Numeric vector of length one.


jh-206/taxr documentation built on May 28, 2019, 12:22 p.m.