R language ggmap visual cluster

The spatial mapping function is very important in some actuarial science industries （ Such as health or automobile insurance ） The people who run the analysis in are very helpful .

for example , Let's visually investigate the number of motor vehicle crashes state by state . First , I found one 2012 Fatal crash in Excel The file is from the death analysis report system (FARS) encyclopedia .

Download address

https://try.dominodatalab.com/u/joshpoduska/ggmap/view/data/vehicle-accidents.csv?_ga=2.141050866.1905276311.1656293124-1843221964.1656293124

load ggmap Behind the library , We need to load and clean up the data . Load a... In the following line CSV file , take State Column converted to character data type , And will Motor Vehicle The collision amount is converted from integer to double . Last , We removed Hawaii and Alaska for a more compact map view .（ I'm sorry ！）

library(ggmap)

mydata = read.csv("vehicle-accidents.csv")
mydata$State <- as.character(mydata