✨ Initial commit for branch "dev_morgan_massey" (ndi v0.1.6.9013) (#30)

*  `morgan_massey()` function that computes the Distance-Decay Isolation Index (_DPxx\*_) based on [Morgan (1983)](https://www.jstor.org/stable/20001935) and [Massey & Denton (1988)](https://doi.org/10.1093/sf/67.2.281)

Author: idblr

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: ndi
 Title: Neighborhood Deprivation Indices
-Version: 0.1.6.9012
-Date: 2024-09-01
+Version: 0.1.6.9013
+Date: 2024-09-02
 Authors@R:
     c(person(given = "Ian D.",
              family = "Buller",

NAMESPACE

@@ -18,6 +18,7 @@ export(lieberson)
 export(massey)
 export(massey_duncan)
 export(messer)
+export(morgan_massey)
 export(powell_wiley)
 export(sudano)
 export(theil)

NEWS.md

@@ -1,6 +1,6 @@
 # ndi (development version)
 
-## ndi v0.1.6.9012
+## ndi v0.1.6.9013
 
 ### New Features
 
@@ -17,9 +17,10 @@
 * Added `duncan_duncan()` function to compute the aspatial racial or ethnic Relative Centralization (*RCE*) based on [Duncan & Duncan (1955b)](https://doi.org/10.1086/221609) and [Massey & Denton (1988)](https://doi.org/10.1093/sf/67.2.281)
 * Added `massey()` function to compute the aspatial racial or ethnic Absolute Clustering (*ACL*) based on [Massey & Denton (1988)](https://doi.org/10.1093/sf/67.2.281)
 * Added `massey_duncan()` function to compute the aspatial racial or ethnic Absolute Concentration (*ACO*) based on [Massey & Denton (1988)](https://doi.org/10.1093/sf/67.2.281) and Duncan, Cuzzort, & Duncan (1961; LC:60007089)
+* Added `morgan_massey()` function to compute the aspatial racial or ethnic Distance-Decay Isolation Index (_DPxx\*_) based on [Morgan (1983)](https://www.jstor.org/stable/20001935) and [Massey & Denton (1988)](https://doi.org/10.1093/sf/67.2.281)
 
 #### New Function Capabilities
-* Added `geo_large = 'place'` for census-designated places, `geo_large = 'cbsa'` for core-based statistical areas, `geo_large = 'csa'` for combined statistical areas, and `geo_large = 'metro'` for metropolitan divisions as the larger geographical unit in `atkinson()`, `bell()`, `bemanian_beyer()`, `denton()`, `denton_cuzzort()`, `duncan()`, `duncan_cuzzort()`, `duncan_duncan()`, `hoover()`, `james_taeuber()`, `lieberson()`, `massey()`, `massey_duncan()`, `sudano()`, `theil()`, and `white()`, `white_blau()` functions.
+* Added `geo_large = 'place'` for census-designated places, `geo_large = 'cbsa'` for core-based statistical areas, `geo_large = 'csa'` for combined statistical areas, and `geo_large = 'metro'` for metropolitan divisions as the larger geographical unit in `atkinson()`, `bell()`, `bemanian_beyer()`, `denton()`, `denton_cuzzort()`, `duncan()`, `duncan_cuzzort()`, `duncan_duncan()`, `hoover()`, `james_taeuber()`, `lieberson()`, `massey()`, `massey_duncan()`, `morgan_massey()`, `sudano()`, `theil()`, and `white()`, `white_blau()` functions.
 * Added census block group computation for `anthopolos()` by specifying `geo == 'cbg'` or `geo == 'block group'`
 * Added `holder` argument to `atkinson()` function to toggle the computation with or without the Hölder mean. The function can now compute *A* without the Hölder mean. The default is `holder = FALSE`.
 * Added `crs` argument to `anthopolos()`, `bravo()`, and `white_blau()` functions to provide spatial projection of the distance-based metrics
@@ -45,7 +46,7 @@
 * Re-formatted code and documentation throughout for consistent readability
 * Renamed 'race/ethnicity' or 'racial/ethnic' to 'race or ethnicity' or 'racial or ethnic' throughout documentation to use more modern, inclusive, and appropriate language
 * Updated documentation about value range of *V* (White) from `{0 to 1}` to `{-Inf to Inf}`
-* Added examples for `atkinson()`, `duncan_cuzzort()`, `duncan_duncan()`, `gini()`, `hoover()`, `james_taeuber()`, `lieberson()`, `massey()`, `massey_duncan()`, `theil()`, and `white_blau()` functions in vignettes and README
+* Added examples for `atkinson()`, `duncan_cuzzort()`, `duncan_duncan()`, `gini()`, `hoover()`, `james_taeuber()`, `lieberson()`, `massey()`, `massey_duncan()`, `morgan_massey()`, `theil()`, and `white_blau()` functions in vignettes and README
 * Added example for `holder` argument in `atkinson()` function in README
 * Reordered the contents of 'ndi-package.R' thematically
 * Reordered the README examples alphabetically

R/anthopolos.R

@@ -60,8 +60,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Racial Isolation Index of Black populations
-#'   ## of census tracts within Georgia, U.S.A., counties (2020)
+#'   # Racial Isolation Index (a measure of isolation)
+#'   ## of Black populations
+#'   ## in census tracts of Georgia, U.S.A. (2020)
 #'   anthopolos(
 #'     geo = 'tract',
 #'     state = 'GA',

R/atkinson.R

@@ -70,8 +70,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Atkinson Index (a measure of the evenness) of Black populations
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Atkinson Index (a measure of the evenness) 
+#'   ## of Black populations
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   atkinson(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',
@@ -80,8 +81,9 @@
 #'     subgroup = c('NHoLB', 'HoLB')
 #'   )
 #'  
-#'   # Atkinson Index of median household income
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Atkinson Index (a measure of the evenness) 
+#'   ## of median household income
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   atkinson(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',

R/bell.R

@@ -67,8 +67,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Interaction of non-Hispanic Black vs. non-Hispanic white populations
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Interaction Index (a measure of exposure)
+#'   ## of non-Hispanic Black vs. non-Hispanic white populations
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   bell(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',

R/bemanian_beyer.R

@@ -70,8 +70,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Local Exposure and Isolation of non-Hispanic Black vs. non-Hispanic white populations
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Local Exposure and Isolation 
+#'   ## of non-Hispanic Black vs. non-Hispanic white populations
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   bemanian_beyer(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',

R/bravo.R

@@ -47,8 +47,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Educational Isolation Index of less than some college or associate's degree attainment
-#'   ## of census tracts within Georgia, U.S.A., counties (2020)
+#'   # Educational Isolation Index (a measure of exposure)
+#'   ## of less than some college or associate's degree attainment
+#'   ## in census tracts of Georgia, U.S.A. (2020)
 #'   bravo(
 #'     geo = 'tract',
 #'     state = 'GA',

R/denton.R

@@ -71,8 +71,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Index of spatial proximity of Black populations
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Relative Clustering (a measure of clustering)
+#'   ## of non-Hispanic Black vs. non-Hispanic white populations
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   denton(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',

R/denton_cuzzort.R

@@ -68,8 +68,9 @@
 #' \dontrun{
 #' # Wrapped in \dontrun{} because these examples require a Census API key.
 #'
-#'   # Index of spatial proximity of Black populations
-#'   ## of census tracts within counties within Georgia, U.S.A., counties (2020)
+#'   # Relative Concentration (a measure of concentration)
+#'   ## of non-Hispanic Black vs. non-Hispanic white populations
+#'   ## in census tracts within counties of Georgia, U.S.A. (2020)
 #'   denton_cuzzort(
 #'     geo_large = 'county',
 #'     geo_small = 'tract',