This package contains two kinds of components:
These data keys are created at the municipal, census block, block group and tract level. As Census geographies can change between two decadal counts, they have two kinds of crosswalks - geographical, and weighted. For these, we provide two functions described below.
Please raise an issue if you would like any additions, or alterations to this package which we can incorporate.
Detailed descriptions of each geographic level of data keys can be found on their individual pages below:
These two functions are used to call specific crosswalks based on either their vintage, and/or the relevant geographic unit.
This package obtains standardized data keys for four different geographic levels in Massachusetts.
You can install the released version of mapcdatakeys with:
# install.packages("devtools")
devtools::install_github("MAPC/mapcdatakeys")Load the package with this line:
library(mapcdatakeys)
head(mapcdatakeys::mbta_data_keys)
#> # A tibble: 6 x 9
#> muni_id muni_name rta_acr rta_name mbta mbta14 mbta51 mbta_other mbta_cmtyp
#> <dbl> <chr> <chr> <chr> <dbl> <dbl> <dbl> <dbl> <chr>
#> 1 1 Abington BAT Brockton ~ 1 0 0 1 Commuter ~
#> 2 2 Acton LRTA Lowell Re~ 1 0 0 1 Commuter ~
#> 3 3 Acushnet SRTA Southeast~ 0 0 0 0 <NA>
#> 4 4 Adams BRTA Berkshire~ 0 0 0 0 <NA>
#> 5 5 Agawam PVTA Pioneer V~ 0 0 0 0 <NA>
#> 6 6 Alford BRTA Berkshire~ 0 0 0 0 <NA>Incredible help from Desiree De Leon and Alison Hill from their rstudio4edu handbook, chapter12
[test commmit LB 2022-10-27 append]