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compile_ctpp.R
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compile_ctpp.R
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#dependencies
library(tidyverse)
library(sf)
#working directory
setwd("H:/res-pow-seg")
#load NHGIS county shapefiles
county_2000 <- st_read("./input/geo/US_county_2000.shp")
county_2010 <- st_read("./input/geo/US_county_2010.shp")
#load NHGIS tract estimates
tract_2000_a <- read_csv("./input/nhgis0213_csv/nhgis0213_ds146_2000_tract.csv")
tract_2000_b <- read_csv("./input/nhgis0213_csv/nhgis0213_ds151_2000_tract.csv")
tract_2000 <- inner_join(tract_2000_a, tract_2000_b)
tract_2010_a <- read_csv("./input/nhgis0213_csv/nhgis0213_ds176_20105_tract.csv")
tract_2010_b <- read_csv("./input/nhgis0213_csv/nhgis0213_ds177_20105_tract.csv")
tract_2010 <- inner_join(tract_2010_a, tract_2010_b)
tract_2016_a <- read_csv("./input/nhgis0213_csv/nhgis0213_ds225_20165_tract.csv")
tract_2016_b <- read_csv("./input/nhgis0213_csv/nhgis0213_ds226_20165_tract.csv")
tract_2016 <- inner_join(tract_2016_a, tract_2016_b)
#load the 2000 blockgroup to tract crosswalk
tract_cw <- read_csv("./input/cw/crosswalk_2000_2010.csv")
#load NHGIS tract shapefiles
tract_2000_shp <- st_read("./input/geo/US_tract_2000.shp")
tract_2010_shp <- st_read("./input/geo/US_tract_2010.shp")
tract_2016_shp <- st_read("./input/geo/US_tract_2016.shp")
#load NHGIS cbsa shapefile
cbsa_2010 <- st_read("./input/geo/US_cbsa_2010.shp")
cbsa <- st_read("./input/geo/US_cbsa_2013.shp")
#load NHGIS CBSA estimates
cbsa_2016_a <- read_csv("./input/nhgis0195_csv/nhgis0195_ds225_20165_2016_cbsa.csv")
cbsa_2016_b <- read_csv("./input/nhgis0195_csv/nhgis0195_ds226_20165_2016_cbsa.csv")
cbsa_2016 <- inner_join(cbsa_2016_a, cbsa_2016_b)
#load NHGIS place shapefile
place <- st_read("./input/geo/US_place_2010.shp")
#load Holian and Kahn CBD coordinates
cbd_geocodes <- read_csv("./input/CBD_geocodes.csv") %>%
select(CBSAFP10 = CBSA_code, cbd_lat = CBDlat, cbd_lng = CBDlon) %>%
mutate(CBSAFP10 = as.character(CBSAFP10))
#### A. Load and munge tract CTPP extracts to tract-year table -----------------
#create vector of CTPP extract files we want to read in and process
ctpp_tract_files <- Sys.glob("./input/ctpp/tract/*.csv")
names(ctpp_tract_files) <- ctpp_tract_files
line_skips <- c(4, 4, rep(3, 4))
#all have the same set of column names
ctpp_colnames <- c("trt_string", "total_est", "total_moe", "w_est", "w_moe",
"b_est", "b_moe", "a_est", "a_moe", "o_est", "o_moe", "h_est", "h_moe", "hw_est",
"hw_moe", "hb_est", "hb_moe", "ha_est", "ha_moe", "ho_est", "ho_moe", "nh_est",
"nh_moe","nhw_est", "nhw_moe", "nhb_est", "nhb_moe", "nha_est", "nha_moe",
"nho_est", "nho_moe", "empty")
#map each file string through read_csv and do a little processing
ctpp <- list(file = ctpp_tract_files,
filename = names(ctpp_tract_files),
skips = line_skips) %>%
pmap(function(file, filename, skips){
read.csv(file, skip = skips, col.names = ctpp_colnames) %>%
select(-empty) %>%
slice(-c(1:4)) %>%
mutate(across(where(is.character) & !trt_string, parse_number)) %>%
mutate(file = filename)}) %>%
reduce(bind_rows) %>%
filter(!str_detect(trt_string, "American Community Survey")) %>%
mutate(year = str_remove_all(file, "./input/ctpp/tract/|residence.csv|workplace.csv"),
type = ifelse(str_detect(file, "workplace"), "pow", "res"),
year = case_when(year == "2000_" ~ "2000",
year == "2006_2010_" ~ "2006-2010 ACS",
year == "2012_2016_" ~ "2012-2016 ACS"),
trt_string = iconv(trt_string, "latin1", "UTF-8"),
trt_name = str_split_fixed(trt_string, ",", n = 2)[,1],
tractfp = str_remove_all(trt_name, "Census Tract "),
tractfp_pre = str_split_fixed(tractfp, "\\.", n = 2)[,1],
tractfp_post = str_split_fixed(tractfp, "\\.", n = 2)[,2],
tractfp_post = ifelse(is.na(tractfp_post), "00", tractfp_post),
tractfp = paste0(str_pad(tractfp_pre, 4, "left", "0"),
str_pad(tractfp_post, 2, "left", "0")),
trt_county_state = str_split_fixed(trt_string, ", ", n = 2)[,2],
countylsad = str_split_fixed(trt_county_state, ", ", n = 2)[,1],
countylsad = str_trim(countylsad),
county = str_remove_all(countylsad, " County| Parish| Census Area| Municipality| City and Borough| Borough| city"),
county = str_trim(county),
state = str_split_fixed(trt_county_state, ", ", n = 2)[,2]) %>%
select(-file, -trt_county_state) %>%
pivot_wider(id_cols = c(trt_string, year, trt_name, tractfp, county, countylsad, state),
names_from = type, names_glue = "{type}_{.value}",
values_from = c(ends_with("_est"), ends_with("_moe"))) %>%
filter(!state %in% c("Puerto Rico", ""), trt_name != "Tract 999999") %>%
mutate(county = ifelse(state == "Illinois" & county == "La Salle", "LaSalle", county),
county = ifelse(state == "Louisiana" & county == "LaSalle", "La Salle", county),
county = ifelse(state == "New Mexico" & county == "Dona Ana", "Do?a Ana", county)) %>%
mutate_at(vars(ends_with("_est"), ends_with("_moe")), ~ ifelse(is.na(.), 0, .))
#check result
glimpse(ctpp)
#### B. Append proper geographic identifiers to the CTPP data ------------------
#the CTPP data don't seem to use this set of county delineations, but state IDs
#still needed for crosswalking to the 2010 data
state_crosswalk <- county_2000 %>%
st_drop_geometry() %>%
mutate(state = STATENAM,
statefp = str_sub(NHGISST, 1, 2)) %>%
distinct(state, statefp)
#prep the 2010 data to be joined on time-invariant basis, also ensure DC included
county <- county_2010 %>%
st_drop_geometry() %>%
select(county = NAME10, cbsafp10 = CBSAFP10,
countylsad = NAMELSAD10, statefp = STATEFP10, countyfp = COUNTYFP10) %>%
mutate_at(vars(county, countylsad), ~ str_trim(., side = "both")) %>%
left_join(state_crosswalk) %>%
filter(!is.na(cbsafp10))
#join the state and county fips codes to the CTPP data
ctpp <- left_join(ctpp, county)
#now construct a tract ID that we can hopefully use in other contexts
ctpp <- ctpp %>%
filter(!is.na(statefp)) %>%
mutate(geoid = paste0(statefp, countyfp, tractfp))
#### C. Add tract geometry -----------------------------------------------------
#2000 tracts
tract_2000_shp <- tract_2000_shp %>%
mutate(year = "2000",
geoid = paste0(str_sub(GISJOIN2, 1, 2),
str_sub(GISJOIN2, 4, 6),
str_sub(GISJOIN2, 8, 13))) %>%
select(year, geoid, GISJOIN, geometry)
#2006-2010 ACS tracts
tract_2010_shp <- tract_2010_shp %>%
mutate(year = "2006-2010 ACS") %>%
select(year, geoid = GEOID10, GISJOIN, geometry)
#2012-2016 ACS tracts
tract_2016_shp <- tract_2016_shp %>%
mutate(year = "2012-2016 ACS") %>%
select(year, geoid = GEOID, GISJOIN, geometry)
#bind together
tract_shp <- bind_rows(tract_2000_shp, tract_2010_shp, tract_2016_shp)
#append to ctpp by geoid
ctpp <- left_join(tract_shp, ctpp)
#look at match quality
ctpp %>% filter(!geoid %in% tract_shp$geoid) %>% pull(tractfp) %>% table
#### D. Prepare to metro name, distance to CBD ---------------------------------
cbd_geocodes <- cbd_geocodes %>%
rename(cbsafp10 = CBSAFP10) %>%
st_as_sf(coords = c("cbd_lng", "cbd_lat"), remove = FALSE) %>%
st_set_crs(4326) %>%
st_transform(st_crs(cbsa_2010)) %>%
rowwise() %>%
mutate(cbd_lng = st_coordinates(geometry)[,1],
cbd_lat = st_coordinates(geometry)[,2]) %>%
ungroup() %>%
st_drop_geometry()
tract_2010_cent <- tract_2010_shp %>%
st_centroid() %>%
st_join(cbsa_2010 %>% select(cbsafp10 = CBSAFP10, metro_name = NAME10)) %>%
left_join(cbd_geocodes) %>%
filter(!is.na(metro_name))
tract_2010_cent <- tract_2010_cent %>%
rowwise() %>%
mutate(trt_lng = st_coordinates(geometry)[,1],
trt_lat = st_coordinates(geometry)[,2]) %>%
ungroup() %>%
mutate(dist_to_cbd = sqrt((trt_lng - cbd_lng)^2 + (trt_lat - cbd_lat)^2))
tract_2010_cent <- tract_2010_cent %>%
st_drop_geometry() %>%
filter(!is.na(dist_to_cbd)) %>%
select(geoid, GISJOIN, cbsafp10, metro_name, dist_to_cbd)
#### E. Prepare and append tract estimates -------------------------------------
#2000 estimates
tract_2000 <- tract_2000 %>%
mutate(trt_tot_pop = FL5001,
trt_tot_nhw = FMS001,
trt_tot_nhb = FMS002,
trt_tot_nha = FMS004 + FMS005,
trt_tot_h = FMS008 + FMS009 + FMS010 + FMS011 + FMS012 + FMS013 + FMS014,
trt_tot_pov = GN6001,
trt_tot_pov_det = GN6001 + GN6002,
trt_tot_for_born = GI8002,
year = "2000") %>%
select(GISJOIN, year, starts_with("trt_"))
#2010 estimates
tract_2010 <- tract_2010 %>%
mutate(trt_tot_pop = JMAE001,
trt_tot_nhw = JMJE003,
trt_tot_nhb = JMJE004,
trt_tot_nha = JMJE006 + JMJE007,
trt_tot_h = JMJE012,
trt_tot_pov = JOCE002 + JOCE003,
trt_tot_pov_det = JOCE001,
trt_tot_for_born = JWUE003,
year = "2006-2010 ACS") %>%
select(GISJOIN, year, starts_with("trt_"))
#2016 estimates
tract_2016 <- tract_2016 %>%
mutate(trt_tot_pop = AF2LE001,
trt_tot_nhw = AF2UE003,
trt_tot_nhb = AF2UE004,
trt_tot_nha = AF2UE006 + AF2UE007,
trt_tot_h = AF2UE012,
trt_tot_pov = AF43E002 + AF43E003,
trt_tot_pov_det = AF43E001,
trt_tot_for_born = AGC0E003,
year = "2012-2016 ACS") %>%
select(GISJOIN, year, starts_with("trt_"))
#now combine into single data frame
tract <- bind_rows(tract_2000, tract_2010, tract_2016)
#join to CTPP data by tract and year vals
ctpp <- left_join(ctpp, tract)
#make sure there's no grouping applied to the table
ctpp <- ungroup(ctpp)
ctpp <- ctpp %>%
select(-(trt_string:state))
#### Harmonize the geography as best as possible -------------------------------
#remove unnecessary cols from crosswalk
tract_cw <- tract_cw %>% select(-(placefp10:changetype))
#use crosswalk to convert 2000 tract estimates to 2010 (much closer to ACS)
ctpp_2000 <- ctpp %>%
filter(year == "2000") %>%
st_drop_geometry() %>%
left_join(tract_cw, by = c("geoid" = "trtid00")) %>%
group_by(year, trtid10) %>%
summarize_at(vars(starts_with("res"), starts_with("pow"), starts_with("trt_tot")),
~ sum(. * weight)) %>%
ungroup() %>%
rename(geoid = trtid10) %>%
left_join(tract_2010_shp %>% select(-year)) %>%
filter(!is.na(geoid)) %>%
left_join(ctpp %>% st_drop_geometry() %>%
filter(year == "2006-2010 ACS") %>%
select(geoid, cbsafp10, statefp, countyfp))
#now replace the 2000 delineated estimates with our 2010 delineated estimates
ctpp <- ctpp %>%
filter(year != "2000") %>%
bind_rows(ctpp_2000)
#identify whether centroid falls within place
tract_places <- tract_2010_shp %>%
select(GISJOIN) %>%
st_centroid() %>%
st_join(place %>% select(place_name = NAME10, prin_city = PCICBSA10)) %>%
st_drop_geometry()
#join place information to the ctpp data
ctpp <- inner_join(ctpp, tract_places)
#join cbsa and distance to CBD data frame
ctpp <- inner_join(ctpp, tract_2010_cent) %>%
filter(!is.na(metro_name))
#### Now compute compositions since counts are good to go ----------------------
#now mutate a few columns for residential / nighttime racial/eth composition
ctpp <- ctpp %>%
mutate(trt_shr_nhw_pm = res_nhw_est/res_total_est,
trt_shr_nhb_pm = res_nhb_est/res_total_est,
trt_shr_h_pm = res_h_est/res_total_est,
trt_shr_nha_pm = res_nha_est/res_total_est,
trt_shr_nho_pm = (res_total_est - (res_nhw_est + res_nhb_est + res_h_est + res_nha_est))/res_total_est)
#compute place of work / daytime race/eth comp
ctpp <- ctpp %>%
mutate(trt_shr_nhw_am = pow_nhw_est/pow_total_est,
trt_shr_nhb_am = pow_nhb_est/pow_total_est,
trt_shr_h_am = pow_h_est/pow_total_est,
trt_shr_nha_am = pow_nha_est/pow_total_est,
trt_shr_nho_am = (pow_total_est - (pow_nhw_est + pow_nhb_est + pow_h_est + pow_nha_est))/pow_total_est)
#compute intraday changes
ctpp <- ctpp %>%
mutate(chg_nhw = trt_shr_nhw_am - trt_shr_nhw_pm,
chg_nhb = trt_shr_nhb_am - trt_shr_nhb_pm,
chg_nha = trt_shr_nha_am - trt_shr_nha_pm,
chg_h = trt_shr_h_am - trt_shr_h_pm,
chg_nho = trt_shr_nho_am - trt_shr_nho_pm)
#### Compute segregation indices -----------------------------------------------
ctpp <- ctpp %>%
group_by(cbsafp10, metro_name, year) %>%
mutate(dis_nhb_nhw = (.5) * sum(abs(trt_tot_nhb/sum(trt_tot_nhb) -
trt_tot_nhw/sum(trt_tot_nhw))),
dis_h_nhw = (.5) * sum(abs(trt_tot_h/sum(trt_tot_h) -
trt_tot_nhw/sum(trt_tot_nhw))),
dis_nha_nhw = (.5) * sum(abs(trt_tot_nha/sum(trt_tot_nha) -
trt_tot_nhw/sum(trt_tot_nhw))))
#### F. Save to disk -----------------------------------------------------------
save(ctpp, file = "./input/ctpp-neigh-chg-data.RData")