wisconsin_crashes/R/dynamic_crash_summaries.Rmd
2025-02-24 15:57:55 -06:00

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---
title: "Dynamic Crash Summaries"
output:
html_document:
toc: true
toc_depth: 5
toc_float:
collapsed: false
smooth_scroll: true
editor_options:
chunk_output_type: console
---
# Input Data & Configuration
## Libraries
```{r libs, eval = TRUE, echo = TRUE, results = "show", warning = FALSE, error = TRUE, message = FALSE}
date()
rm(list=ls())
library(tidyverse)
library(RColorBrewer)
library(leaflet)
library(htmltools)
library(htmlwidgets)
library(plotly)
Sys.setenv(LANG = "en-US.UTF-8")
```
## Load TOPS data
```{r loadTOPS, eval = TRUE, echo = TRUE, results = "show", warning = FALSE, error = TRUE, message = FALSE}
load(file = "data/TOPS/TOPS_data.Rda")
load(file = "data/TOPS/vuln_roles.Rda")
load(file = "data/TOPS/retrieve_date.Rda")
load(file = "data/TOPS/injury_severity.Rda")
injury_severity_pal <- colorFactor(palette = injury_severity$color, levels = injury_severity$InjSevName)
```
## Summarize data by county
```{r summarizeData, eval = TRUE, echo = TRUE, results = "show", warning = FALSE, error = TRUE, message = FALSE}
county_summaries <- TOPS_data %>%
group_by(CNTYNAME, year, ped_inj_name, vulnerable_role) %>%
summarize(count = n())
```
## Make graphs
```{r makeGraphs, eval = TRUE, echo = TRUE, results = "show", warning = FALSE, error = TRUE, message = FALSE}
county_focus <- "MILWAUKEE"
county_focus <- unique(county_summaries %>% pull(CNTYNAME))
injury_focus <- c("Suspected Minor Injury", "Suspected Serious Injury", "Fatality")
wisconsin_crash_summary <- ggplotly(
ggplot(data = county_summaries %>%
filter(CNTYNAME %in% county_focus) %>%
filter(ped_inj_name %in% injury_focus) %>%
group_by(year, ped_inj_name) %>%
summarize(count = n()) %>%
mutate(Year = year, "Injury severity" = ped_inj_name, "Number of crashes" = count)) +
geom_col(aes(x = Year,
y = `Number of crashes`,
fill = `Injury severity`)) +
scale_fill_manual(values = injury_severity_pal(injury_severity %>% filter(InjSevName %in% injury_focus) %>% pull(InjSevName))) +
labs(title = "People walking and biking injured in car crashes in Wisconsin")
)
saveWidget(wisconsin_crash_summary, file = "figures/dynamic_crash_summaries/wisconsin_crash_summary.html",
selfcontained = TRUE,
title = "Wisconsin Crash Summary")
```