Electric_Vehicle_Population

Author

Zijin Wang

This dataset shows the Battery Electric Vehicles (BEVs) and Plug-in Hybrid Electric Vehicles (PHEVs) that are currently registered through Washington State Department of Licensing (DOL)

getwd()
[1] "/Users/zwang30/Downloads"
library(readr)
electric_vehicle_data <- read_csv("/Users/zwang30/Downloads/Electric_Vehicle_Population_Data.csv")
Rows: 159467 Columns: 17
── Column specification ────────────────────────────────────────────────────────
Delimiter: ","
chr (11): VIN (1-10), County, City, State, Make, Model, Electric Vehicle Typ...
dbl  (6): Postal Code, Model Year, Electric Range, Base MSRP, Legislative Di...

ℹ Use `spec()` to retrieve the full column specification for this data.
ℹ Specify the column types or set `show_col_types = FALSE` to quiet this message.
library(dplyr)

Attaching package: 'dplyr'
The following objects are masked from 'package:stats':

    filter, lag
The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union
library(ggplot2)
head(electric_vehicle_data)
# A tibble: 6 × 17
  `VIN (1-10)` County   City        State `Postal Code` `Model Year` Make  Model
  <chr>        <chr>    <chr>       <chr>         <dbl>        <dbl> <chr> <chr>
1 2C4RC1N71H   Kitsap   Bremerton   WA            98311         2017 CHRY… PACI…
2 2C4RC1N7XL   Stevens  Colville    WA            99114         2020 CHRY… PACI…
3 KNDC3DLCXN   Yakima   Yakima      WA            98908         2022 KIA   EV6  
4 5YJ3E1EA0J   Kitsap   Bainbridge… WA            98110         2018 TESLA MODE…
5 1N4AZ1CP7J   Thurston Tumwater    WA            98501         2018 NISS… LEAF 
6 KNDCC3LG6K   Kitsap   Port Orcha… WA            98367         2019 KIA   NIRO 
# ℹ 9 more variables: `Electric Vehicle Type` <chr>,
#   `Clean Alternative Fuel Vehicle (CAFV) Eligibility` <chr>,
#   `Electric Range` <dbl>, `Base MSRP` <dbl>, `Legislative District` <dbl>,
#   `DOL Vehicle ID` <dbl>, `Vehicle Location` <chr>, `Electric Utility` <chr>,
#   `2020 Census Tract` <chr>
summary(electric_vehicle_data)
  VIN (1-10)           County              City              State          
 Length:159467      Length:159467      Length:159467      Length:159467     
 Class :character   Class :character   Class :character   Class :character  
 Mode  :character   Mode  :character   Mode  :character   Mode  :character  
                                                                            
                                                                            
                                                                            
                                                                            
  Postal Code      Model Year       Make              Model          
 Min.   : 1730   Min.   :1997   Length:159467      Length:159467     
 1st Qu.:98052   1st Qu.:2018   Class :character   Class :character  
 Median :98122   Median :2021   Mode  :character   Mode  :character  
 Mean   :98170   Mean   :2020                                        
 3rd Qu.:98370   3rd Qu.:2023                                        
 Max.   :99577   Max.   :2024                                        
 NA's   :4                                                           
 Electric Vehicle Type Clean Alternative Fuel Vehicle (CAFV) Eligibility
 Length:159467         Length:159467                                    
 Class :character      Class :character                                 
 Mode  :character      Mode  :character                                 
                                                                        
                                                                        
                                                                        
                                                                        
 Electric Range     Base MSRP      Legislative District DOL Vehicle ID     
 Min.   :  0.00   Min.   :     0   Min.   : 1.00        Min.   :     4385  
 1st Qu.:  0.00   1st Qu.:     0   1st Qu.:18.00        1st Qu.:173101620  
 Median : 14.00   Median :     0   Median :33.00        Median :219844964  
 Mean   : 64.28   Mean   :  1228   Mean   :29.26        Mean   :214024243  
 3rd Qu.: 84.00   3rd Qu.:     0   3rd Qu.:43.00        3rd Qu.:244836346  
 Max.   :337.00   Max.   :845000   Max.   :49.00        Max.   :479254772  
                                   NA's   :361                             
 Vehicle Location   Electric Utility   2020 Census Tract 
 Length:159467      Length:159467      Length:159467     
 Class :character   Class :character   Class :character  
 Mode  :character   Mode  :character   Mode  :character  
                                                         
                                                         
                                                         
                                                         
colnames(electric_vehicle_data)
 [1] "VIN (1-10)"                                       
 [2] "County"                                           
 [3] "City"                                             
 [4] "State"                                            
 [5] "Postal Code"                                      
 [6] "Model Year"                                       
 [7] "Make"                                             
 [8] "Model"                                            
 [9] "Electric Vehicle Type"                            
[10] "Clean Alternative Fuel Vehicle (CAFV) Eligibility"
[11] "Electric Range"                                   
[12] "Base MSRP"                                        
[13] "Legislative District"                             
[14] "DOL Vehicle ID"                                   
[15] "Vehicle Location"                                 
[16] "Electric Utility"                                 
[17] "2020 Census Tract"                                
recent_evs <- electric_vehicle_data %>%
  filter(`Model Year` >= 2015) %>%
  mutate(`Model Year` = as.numeric(`Model Year`), 
         `Electric Range` = as.numeric(`Electric Range`)) %>%
  group_by(Make) %>%
  filter(n() > 200) 
ggplot(recent_evs, aes(x = `Model Year`, y = `Electric Range`, color = Make)) +
  geom_jitter(alpha = 0.5, width = 0.2, height = 0) +
  facet_wrap(~Make, scales = "free_y") +
  scale_color_viridis_d() +
  labs(title = "Electric Vehicle Range by Make and Model Year",
       x = "Model Year",
       y = "Electric Range (miles)",
       color = "Make") +
  theme_minimal() +
  theme(legend.position = "bottom",
        axis.text.x = element_text(angle = 45, hjust = 1),
        plot.title = element_text(size = 14, face = "bold"),
        strip.text.x = element_text(size = 10))