library(ipumsr)
## Warning: package 'ipumsr' was built under R version 4.1.3
nhgis_ddi <- read_ipums_codebook("C:/Users/drayr/Downloads/nhgis0002_csv.zip")

nhgis <- read_nhgis(data_file = "C:/Users/drayr/Downloads/nhgis0002_csv.zip")
## Use of data from NHGIS is subject to conditions including that users should
## cite the data appropriately. Use command `ipums_conditions()` for more details.
## 
## 
## Reading data file...
nhgis<-haven::zap_labels(nhgis) 
names(nhgis)<-tolower(names(nhgis))

library(sf)
## Linking to GEOS 3.9.1, GDAL 3.2.1, PROJ 7.2.1; sf_use_s2() is TRUE
holc <- st_read("C:/Users/drayr/Downloads/TXSanAntonio19XX/cartodb-query.shp")
## Reading layer `cartodb-query' from data source 
##   `C:\Users\drayr\Downloads\TXSanAntonio19XX\cartodb-query.shp' 
##   using driver `ESRI Shapefile'
## Simple feature collection with 20 features and 3 fields
## Geometry type: MULTIPOLYGON
## Dimension:     XY
## Bounding box:  xmin: -98.57493 ymin: 29.35626 xmax: -98.43542 ymax: 29.49135
## Geodetic CRS:  WGS 84

Load some other packages

library(survey, quietly = T)
## Warning: package 'survey' was built under R version 4.1.3
library(tidyverse, quietly = T)
library(car, quietly = T)
## Warning: package 'car' was built under R version 4.1.3
## Warning: package 'carData' was built under R version 4.1.3
library(ggplot2, quietly = T)
library(tigris, quietly = T)
library(classInt, quietly = T)
library(tmap, quietly = T)
library(raster)

Download geographic data for Census Tracts

options(tigris_class = "sf")
tract<-tracts(state = "TX",
              county = 029,
             year = 2020,
             c = T)
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plot(tract["GEOID"],
     main = "Census Tracts in San Antonio")

plot(holc["holc_grade"],
     main = "HOLC graded areas: San Antonio 1935")

Prepare variables

nhgis2 <- nhgis %>%
  mutate( tot=u7e001,
    hisp=u7e002,
    nh=u7e003,
    nhblk=u7e006,
    nhwht=u7e005,
    GEOID=geocode,
    cofips=countya) %>%
  filter(statea=="48" & countya=="029")%>%
   dplyr:: select(GEOID, tot, hisp, nh,nhblk,nhwht,cofips)


#We need the county-level totals for the total population and each race group
codat<-nhgis2%>%
  summarise(co_total=sum(tot), co_wht=sum(nhwht), co_blk=sum(nhblk), cohisp=sum(hisp))
codat$cofips="029"

#we merge the county data back to the tract data by the county FIPS code
merged<-left_join(x=nhgis2,y=codat, by="cofips")
#have a look and make sure it looks ok
head(merged)
#isolation index
tr.iso<-merged%>%
  mutate(isoh=(hisp/cohisp * hisp/tot),
         isob=(nhblk/co_blk * nhblk/tot),
         isow=(nhwht/co_wht * nhwht/tot))%>%
  group_by(cofips)#%>%
  #summarise(iso_b= sum(isob, na.rm=T))

knitr::kable(head(nhgis2))
GEOID tot hisp nh nhblk nhwht cofips
48029110100 3628 1639 1989 270 1400 029
48029110300 1950 1232 718 86 540 029
48029110500 1451 1191 260 80 139 029
48029110600 6664 4202 2462 811 1597 029
48029110700 1007 746 261 50 185 029
48029111000 2044 1135 909 115 668 029

join to geography

geo1<-left_join(tract, tr.iso, by=c("GEOID"= "GEOID"))
head(geo1)
geo2<-geo1%>%
   mutate( 
    area=st_area(.))   

geo2<-st_transform(geo2, crs=2278)
holc<-st_transform(holc, crs=2278)

Map layout

tmap_mode("view")
## tmap mode set to interactive viewing
holctract<-st_intersection(holc,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcAB<-holc%>%
  filter(holc_grade== "A" | holc_grade=="B" )
holctractAB<-st_intersection(holcAB,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcCD<-holc%>%
  filter(holc_grade== "C" | holc_grade=="D" )
holctractCD<-st_intersection(holcCD,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcA<-holc%>%
  filter(holc_grade=="A")
holctractA<-st_intersection(holcA,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcB<-holc%>%
  filter(holc_grade=="B")
holctractB<-st_intersection(holcB,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcC<-holc%>%
  filter(holc_grade=="C")
holctractC<-st_intersection(holcC,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
holcD<-holc%>%
  filter(holc_grade=="D")
holctractD<-st_intersection(holcD,geo2)
## Warning: attribute variables are assumed to be spatially constant throughout all
## geometries
#tmaptools::palette_explorer()
tmap_mode("view")
## tmap mode set to interactive viewing
#Hispanic isolation

tm_shape(holctract)+
  tm_polygons(alpha=0, palette = "-viridis", n = 10, contrast = c(0.42, 1))+
  tm_shape(holc)+
  tm_polygons("holc_grade", alpha = .5, border.col = "red", lty= "solid")+
  tm_layout(title="HOLC grades Layered on SA 2020 Census Tracts",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))
# tm_shape(holctract)+
#    tm_polygons("isoh", palette = "-viridis", n = 10, contrast = c(0, 0.52))+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade",palette = "black", alpha = .3, border.col = "red", lty= "solid", ltw = 100)
# 
# 
# tm_shape(holctractAB)+
#   tm_polygons("isoh")+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractCD)+
#   tm_polygons("isoh")+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# #White isolation
# tm_shape(holctract)+
#    tm_polygons("isow", palette = "-viridis", n = 10, contrast = c(0, 0.52))+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade",palette = "black", alpha = .3, border.col = "red", lty= "solid", ltw = 100)
# 
# 
# tm_shape(holctractAB)+
#   tm_polygons("isow")+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractCD)+
#   tm_polygons("isow")+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractD)+
#   tm_polygons("hisp")+
#   tm_shape(holcD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")

Make a map layout

#tmaptools::palette_explorer()
#Hispanic isolation

tmap_mode("plot")
## tmap mode set to plotting
p1<-tm_shape(holctract)+
  tm_polygons(c("isoh"),
              title=c("Hispanic Isolation "),
              palette="Blues",
              style="quantile",
              n=5)+
  tm_scale_bar()+
  tm_layout(title="Hispanic Isolation Index by Census Tract 2020",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))+
  tm_compass()+
  tm_format("World",
            legend.position =  c("left", "bottom"),
            main.title.position =c("center"))+
    tm_shape(holcCD)+
  tm_polygons("holc_grade",palette = "red", alpha = .3, border.col = "red", lty= "solid", ltw = 100)


p2<-tm_shape(holctract)+
  tm_polygons(c("isow"),
              title=c("White Isolation "),
              palette="Greens",
              style="quantile",
              n=5)+
  tm_scale_bar()+
  tm_layout(title="White Isolation Index by Census Tract 2020",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))+
  tm_compass()+
  tm_format("World",
            legend.position =  c("left", "bottom"),
            main.title.position =c("center"))+
    tm_shape(holcAB)+
  tm_polygons("holc_grade",palette = "red", alpha = .3, border.col = "red", lty= "solid", ltw = 100)


tmap_arrange(p1,p2, nrow=1)

---
title: "Final Project code DEM 7093"
author: "David Rodriguez"
date: "`r format(Sys.time(), '%d %B, %Y')`"
output:
   html_document:
    df_print: paged
    fig_height: 7
    fig_width: 7
    toc: yes
    toc_float: yes
    code_download: true
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```

```{r}
library(ipumsr)

nhgis_ddi <- read_ipums_codebook("C:/Users/drayr/Downloads/nhgis0002_csv.zip")

nhgis <- read_nhgis(data_file = "C:/Users/drayr/Downloads/nhgis0002_csv.zip")
nhgis<-haven::zap_labels(nhgis) 
names(nhgis)<-tolower(names(nhgis))

library(sf)
holc <- st_read("C:/Users/drayr/Downloads/TXSanAntonio19XX/cartodb-query.shp")


```

## Load some other packages
```{r, message=FALSE}
library(survey, quietly = T)
library(tidyverse, quietly = T)
library(car, quietly = T)
library(ggplot2, quietly = T)
library(tigris, quietly = T)
library(classInt, quietly = T)
library(tmap, quietly = T)
library(raster)

```


### Download geographic data for Census Tracts

```{r}
options(tigris_class = "sf")
tract<-tracts(state = "TX",
              county = 029,
             year = 2020,
             c = T)


plot(tract["GEOID"],
     main = "Census Tracts in San Antonio")


plot(holc["holc_grade"],
     main = "HOLC graded areas: San Antonio 1935")

```


## Prepare variables

```{r}
nhgis2 <- nhgis %>%
  mutate( tot=u7e001,
    hisp=u7e002,
    nh=u7e003,
    nhblk=u7e006,
    nhwht=u7e005,
    GEOID=geocode,
    cofips=countya) %>%
  filter(statea=="48" & countya=="029")%>%
   dplyr:: select(GEOID, tot, hisp, nh,nhblk,nhwht,cofips)


#We need the county-level totals for the total population and each race group
codat<-nhgis2%>%
  summarise(co_total=sum(tot), co_wht=sum(nhwht), co_blk=sum(nhblk), cohisp=sum(hisp))
codat$cofips="029"

#we merge the county data back to the tract data by the county FIPS code
merged<-left_join(x=nhgis2,y=codat, by="cofips")
#have a look and make sure it looks ok
head(merged)

#isolation index
tr.iso<-merged%>%
  mutate(isoh=(hisp/cohisp * hisp/tot),
         isob=(nhblk/co_blk * nhblk/tot),
         isow=(nhwht/co_wht * nhwht/tot))%>%
  group_by(cofips)#%>%
  #summarise(iso_b= sum(isob, na.rm=T))

knitr::kable(head(nhgis2))

```


## join to geography

```{r}

geo1<-left_join(tract, tr.iso, by=c("GEOID"= "GEOID"))
head(geo1)

geo2<-geo1%>%
   mutate( 
    area=st_area(.))   

geo2<-st_transform(geo2, crs=2278)
holc<-st_transform(holc, crs=2278)
```

## Map layout

```{r}
tmap_mode("view")

holctract<-st_intersection(holc,geo2)

holcAB<-holc%>%
  filter(holc_grade== "A" | holc_grade=="B" )
holctractAB<-st_intersection(holcAB,geo2)

holcCD<-holc%>%
  filter(holc_grade== "C" | holc_grade=="D" )
holctractCD<-st_intersection(holcCD,geo2)



holcA<-holc%>%
  filter(holc_grade=="A")
holctractA<-st_intersection(holcA,geo2)

holcB<-holc%>%
  filter(holc_grade=="B")
holctractB<-st_intersection(holcB,geo2)

holcC<-holc%>%
  filter(holc_grade=="C")
holctractC<-st_intersection(holcC,geo2)

holcD<-holc%>%
  filter(holc_grade=="D")
holctractD<-st_intersection(holcD,geo2)


```


```{r}

#tmaptools::palette_explorer()
tmap_mode("view")
#Hispanic isolation

tm_shape(holctract)+
  tm_polygons(alpha=0, palette = "-viridis", n = 10, contrast = c(0.42, 1))+
  tm_shape(holc)+
  tm_polygons("holc_grade", alpha = .5, border.col = "red", lty= "solid")+
  tm_layout(title="HOLC grades Layered on SA 2020 Census Tracts",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))

# tm_shape(holctract)+
#    tm_polygons("isoh", palette = "-viridis", n = 10, contrast = c(0, 0.52))+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade",palette = "black", alpha = .3, border.col = "red", lty= "solid", ltw = 100)
# 
# 
# tm_shape(holctractAB)+
#   tm_polygons("isoh")+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractCD)+
#   tm_polygons("isoh")+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# #White isolation
# tm_shape(holctract)+
#    tm_polygons("isow", palette = "-viridis", n = 10, contrast = c(0, 0.52))+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade",palette = "black", alpha = .3, border.col = "red", lty= "solid", ltw = 100)
# 
# 
# tm_shape(holctractAB)+
#   tm_polygons("isow")+
#   tm_shape(holcAB)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractCD)+
#   tm_polygons("isow")+
#   tm_shape(holcCD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")
# 
# tm_shape(holctractD)+
#   tm_polygons("hisp")+
#   tm_shape(holcD)+
#   tm_polygons("holc_grade", alpha = 0, border.col = "red", lty= "solid")

```

## Make a map layout

```{r, fig.height=10, fig.width=12}


#tmaptools::palette_explorer()
#Hispanic isolation

tmap_mode("plot")
p1<-tm_shape(holctract)+
  tm_polygons(c("isoh"),
              title=c("Hispanic Isolation "),
              palette="Blues",
              style="quantile",
              n=5)+
  tm_scale_bar()+
  tm_layout(title="Hispanic Isolation Index by Census Tract 2020",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))+
  tm_compass()+
  tm_format("World",
            legend.position =  c("left", "bottom"),
            main.title.position =c("center"))+
    tm_shape(holcCD)+
  tm_polygons("holc_grade",palette = "red", alpha = .3, border.col = "red", lty= "solid", ltw = 100)


p2<-tm_shape(holctract)+
  tm_polygons(c("isow"),
              title=c("White Isolation "),
              palette="Greens",
              style="quantile",
              n=5)+
  tm_scale_bar()+
  tm_layout(title="White Isolation Index by Census Tract 2020",
            title.size =1.5,
            legend.frame = TRUE,
            title.position = c('right', 'top'))+
  tm_compass()+
  tm_format("World",
            legend.position =  c("left", "bottom"),
            main.title.position =c("center"))+
    tm_shape(holcAB)+
  tm_polygons("holc_grade",palette = "red", alpha = .3, border.col = "red", lty= "solid", ltw = 100)


tmap_arrange(p1,p2, nrow=1)


```




