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map.R
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# Homelessness in the World
# Author: Justin Okeke
# Date: September 20th, 2021
library(pacman) # package manager
p_load(leaflet, # map creation
tigris, # US Data
rgdal, # Edit shapefiles
tidyverse, # data transformation/visualization
viridis) # color pallettes
# Creating the Maps ----------------------------------------------------------------------------------------------------
# United States
united.states = states(cb = TRUE)
united.states %>%
leaflet() %>%
addTiles() %>%
addPolygons(popup = ~NAME)
# Data ------------------------------------------------------------------------------------------------------------
us.data.2020 <- read_csv("data/New_Data_2020.csv") %>%
select(-c(1))
# Map -------------------------------------------------------------------------------------------------
# United States
us.data.2020$State %in% united.states$STUSPS # check the states match
united.states.merged.home <- geo_join(united.states, us.data.2020, "STUSPS", "State") # combine data and shapefile
united.states.merged.home <- subset(united.states.merged.home, !is.na(Total.Homeless)) # remove state with no data
remove(united.states)
popup.home <- paste0(united.states.merged.home$NAME, # Popup values when clicked, per state.
"<br> Homelessness Rate: ",
as.character(round(united.states.merged.home$Homeless.Rate, digits = 0)),
" in 10,000", "<br> Total Homeless: ",
as.character(united.states.merged.home$Total.Homeless))
us.m <- leaflet(united.states.merged.home) %>%
addProviderTiles("CartoDB.Positron") %>%
setView(-96, 37.8, 4) # base map
us.m
bins <- c(0, 10, 20, 50, 70, 100, 400) # creating intervals for the colors.
pal <- colorBin("plasma", domain = united.states.merged.home$Homeless.Rate, bins = bins, pretty = FALSE)
total.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Homeless.Rate), # colored shapes to represent data
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.home,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal, # legend to describe colored shapes.
values = ~Homeless.Rate,
opacity = 0.7,
title = "Homeless Rate",
position = "bottomleft")
total.homeless.map
# Gender ------------------------------------------------------------------------------------------------------
summary(united.states.merged.home$Male.Rate)
bins <- c(0, 5, 10, 15, 25, 50, 100, 150)
pal <- colorBin("YlOrRd", domain = united.states.merged.home$Male.Rate, bins = bins, pretty = FALSE)
popup.male <- paste0(united.states.merged.home$NAME,
"<br> Homeless, Male: ",
as.character(round(united.states.merged.home$Male.Rate, digits = 0)),
" in 10,000")
male.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Male.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.male,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Male.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
male.homeless.map
# Female
pal <- colorBin("YlOrRd", domain = united.states.merged.home$Female.Rate, bins = bins, pretty = FALSE)
popup.female <- paste0(united.states.merged.home$NAME, "<br> Homeless, Female: ",
as.character(round(united.states.merged.home$Female.Rate, digits = 0)),
" in 10,000")
female.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Female.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.female,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Female.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
female.homeless.map
# Ethnicity Map ---------------------------------------------------------------------------------------------------
summary(united.states.merged.home$White.Rate)
pal <- colorBin("BuPu", domain = united.states.merged.home$White.Rate, bins = bins, pretty = FALSE)
popup.white <- paste0(united.states.merged.home$NAME, "<br> Homeless, White: ",
as.character(round(united.states.merged.home$White.Rate, digits = 0)),
" in 10,000")
white.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(White.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.white,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~White.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
white.homeless.map
# Black
pal <- colorBin("BuPu", domain = united.states.merged.home$Black.Rate, bins = bins, pretty = FALSE)
popup.black <- paste0(united.states.merged.home$NAME, "<br> Homeless, Black: ",
as.character(round(united.states.merged.home$Black.Rate, digits = 0)),
" in 10,000")
black.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Black.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.black,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Black.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
black.homeless.map
# Indian
summary(united.states.merged.home$Indian.Rate)
bins <- c(0, 3, 5, 7, 12, 15)
pal <- colorBin("BuPu", domain = united.states.merged.home$Indian.Rate, bins = bins, pretty = FALSE)
popup.indian <- paste0(united.states.merged.home$NAME, "<br> Homeless, Indian: ",
as.character(round(united.states.merged.home$Indian.Rate, digits = 0)),
" in 10,000")
indian.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Indian.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.indian,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Indian.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
indian.homeless.map
# Latino
summary(united.states.merged.home$Lat.Rate)
pal <- colorBin("BuPu", domain = united.states.merged.home$Lat.Rate, bins = bins, pretty = FALSE)
popup.lat <- paste0(united.states.merged.home$NAME, "<br> Homeless, Latinx: ",
as.character(round(united.states.merged.home$Lat.Rate, digits = 0)),
" in 10,000")
lat.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Lat.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.lat,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Lat.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
lat.homeless.map
# Native
summary(united.states.merged.home$Native.Rate)
bins <- c(0, 5, 10, 30, 50, 200)
pal <- colorBin("BuPu", domain = united.states.merged.home$Native.Rate, bins = bins, pretty = FALSE)
popup.native <- paste0(united.states.merged.home$NAME, "<br> Homeless, Native: ",
as.character(round(united.states.merged.home$Native.Rate, digits = 0)),
" in 10,000")
native.homeless.map <- us.m %>%
addPolygons(fillColor = ~pal(Native.Rate),
weight = 2,
opacity = 1,
color = "white",
dashArray = "2",
fillOpacity = 0.7,
smoothFactor = 0.2,
popup = ~popup.native,
highlightOptions = highlightOptions(
weight = 5,
color = "grey",
dashArray = "",
fillOpacity = 0.7,
bringToFront = TRUE)) %>%
addLegend(pal = pal,
values = ~Native.Rate,
opacity = 0.7,
title = "Rate",
position = "bottomleft")
native.homeless.map