Aggregates block table values up to a higher level, normally precincts, hence the name block2prec.
block2prec(block_table, matches, geometry = FALSE)Required. Block table output from create_block_table
Required. Grouping variable to aggregate up by, typically made with geo_match
Boolean. Whether to keep geometry or not.
dataframe with length(unique(matches)) rows
set.seed(1)
data(rockland)
rockland$id <- sample(1:2, nrow(rockland), TRUE)
block2prec(rockland, rockland$id)
#> # A tibble: 2 × 24
#> matches_id waterpct pop pop_white pop_black pop_hisp pop_aian pop_asian
#> <int> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 1 54.9 163089 103643 19762 26685 275 10073
#> 2 2 71.2 148598 100027 14861 22098 212 9026
#> # ℹ 16 more variables: pop_nhpi <dbl>, pop_other <dbl>, pop_two <dbl>,
#> # vap <dbl>, vap_white <dbl>, vap_black <dbl>, vap_hisp <dbl>,
#> # vap_aian <dbl>, vap_asian <dbl>, vap_nhpi <dbl>, vap_other <dbl>,
#> # vap_two <dbl>, place <dbl>, id <int>, state <chr>, county <chr>