Start to clean up download block data Renames columns, drops most, calculates total area.

Usage

census2020_clean(
  x,
  cols_to_keep = c("blockfips", "lat", "lon", "pop", "area"),
  sumlev = 750,
  mystates,
  census_col_names_defined = census_col_names_map
)

Arguments

x: data from census2020_read()
cols_to_keep: optional, which (renamed or not) columns to retain and return. "all' means keep them all. They will be renamed via census_col_names_map even if listed in cols_to_keep in the un-renamed form, like P0020002 vs hisp.
sumlev: just used by census2020_get_data() to correctly name the fips column.
mystates: just used by census2020_get_data() to correctly rename the data columns.

Value

data.table with these columns by default: blockfips lat lon pop area

Details

Renames and drops columns based on names in census_col_names_defined such as in census_col_names_map for the US/DC/PR (or island area specific versions) and the parameter cols_to_keep, but see census_col_names_map for what could be retained.

Returns table in data.table format.

area is in square meters and is sum of land and water areas.