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dcfs_incidence_maps_report.qmd
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---
title: "DCFS Case Incidence in Select Illinois Counties"
author: "Daniel P. Hall Riggins"
date: today
format:
html:
embed-resources: true
code-overflow: wrap
code-fold: true
---
## Introduction
The following maps display the incidence of child abuse/neglect cases [reported to Illinois Department of Children & Family Services](https://childabuse.illinois.gov/). Incidence is broken down to the census tract level for Cook, Peoria, and Vermilion counties from 2016-2021.
Briefly, we tallied the number of cases for each census tract and then divided by the census-estimated population. We filtered out all cases whose addresses were reported at healthcare or childcare facilities as we were more interested in primary addresses for cases. Because incidence is aggregated into census tracts, privacy remains preserved since information about single addresses is obscured.
https://www.parentchildcenter.org/april-is-child-abuse-prevention-and-awareness-month/
```{r}
#| echo: false
#| output: false
library(tidyverse)
library(sf)
library(leaflet)
map_dcfs_incidents_by_census_tract <-
function(
incidents_per_census_tract_sf,
lat_num, lng_num,
county_char
){
dcfs_palette <-
colorNumeric(
palette = "magma",
domain = incidents_per_census_tract_sf$rate_incidents,
reverse = TRUE,
)
map1 <-
incidents_per_census_tract_sf |>
st_transform(4326) |>
leaflet() |>
addProviderTiles("CartoDB.Positron") |>
# Center and zoom the map to Cook County
setView(lat = lat_num, lng = lng_num, zoom = 10) |>
# Add button to enable fullscreen map
leaflet.extras::addFullscreenControl() |>
addPolygons(
color = "gray",
weight = 0.5,
# Color according to palette above
fillColor = ~dcfs_palette(rate_incidents),
# Group polygons by number of deaths for use in the layer control
group = ~ count_incidents,
# Make slightly transparent
fillOpacity = 0.5,
label = "Click for more info!",
# Click on the polygon to get info
popup = ~ paste0(
"<h4>Census Tract Info:</h4>",
"<b>FIPS ID</b>: ", as.character(GEOID),"<br/>",
"<b>Count</b>: ", as.character(count_incidents), " incident(s) <br/>",
"<b>Population</b>: ", as.character(estimate), " people <br/>",
"<b>Rate</b>: ", as.character(rate_incidents), " incidents per 1,000 people"
)
) |>
#Add legend
addLegend(
title =
paste0(
"Rate of DCFS Abuse <br> or Neglect cases <br> per 1,000 people <br> in Each Census Tract <br> of ",
county_char,
" County, IL <br> from 2016-2021"
),
values = ~ rate_incidents,
pal = dcfs_palette,
position = "topright"
)
return(map1)
}
cook_incidents_per_census_tract <- readRDS(here::here("data", "cook_incidents_per_census_tract.RDS"))
peoria_incidents_per_census_tract <- readRDS(here::here("data", "peoria_incidents_per_census_tract.RDS"))
vermilion_incidents_per_census_tract <- readRDS(here::here("data", "vermilion_incidents_per_census_tract.RDS"))
```
## Cook County
*Note: Use the scrollwheel on your mouse to zoom in and out. Click, hold, and drag to pan around the map. Single-click on any census tract to get more contextual information.*
```{r}
#| echo: false
map_dcfs_incidents_by_census_tract(
cook_incidents_per_census_tract,
41.816544, -87.749500,
"Cook"
)
```
## Peoria County
```{r}
#| echo: false
map_dcfs_incidents_by_census_tract(
peoria_incidents_per_census_tract,
40.783333, -89.766667,
"Peoria"
)
```
## Vermilion County
```{r}
#| echo: false
map_dcfs_incidents_by_census_tract(
vermilion_incidents_per_census_tract,
40.124481, -87.630019,
"Vermilion"
)
```