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geoDeltaAudit

Geographic crosswalks are directional allocations, not inverses.
geoDeltaAudit helps quantify how much a variable changes purely due to boundary translation and allocation rules (pathway dependence).

What it does

• Defines step functions for common geographic transformations (e.g., ZCTA → ZIP → county)
• Runs an audit pipeline that reports:
  • fan-out and loss at each step
  • unmapped or duplicated units
  • Δx(VAR): change induced solely by transformation choices, holding the source constant

Installation

install.packages("remotes")
remotes::install_github("phinnphace/geoDeltaAudit")
## Example

This is a basic example which shows you how to solve a common problem:


``` r
library(geoDeltaAudit)
## basic example code

geoDeltaAudit

Geographic crosswalks are directional allocations, not inverses. geoDeltaAudit helps you quantify how much a variable changes purely due to boundary translation + allocation rules (pathway dependence).

What it does

• Defines step functions for common transformations (e.g., ZCTA → ZIP, ZIP → county)
• Runs an audit pipeline that reports:
  • fan-out / loss at each step
  • unmapped units
  • Δx(VAR): change induced solely by transformation choices (holding the underlying source constant)

Install

```r install.packages(“remotes”) remotes::install_github(“phinnphace/geoDeltaAudit”)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.