This is an R HTML document. When you click the Knit HTML button a web page will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:
library(tidyverse)
data("starwars") View(starwars) print(starwars)
## # A tibble: 87 × 14 ## name height mass hair_color skin_color eye_color birth_year sex gender ## <chr> <int> <dbl> <chr> <chr> <chr> <dbl> <chr> <chr> ## 1 Luke Sk… 172 77 blond fair blue 19 male mascu… ## 2 C-3PO 167 75 <NA> gold yellow 112 none mascu… ## 3 R2-D2 96 32 <NA> white, bl… red 33 none mascu… ## 4 Darth V… 202 136 none white yellow 41.9 male mascu… ## 5 Leia Or… 150 49 brown light brown 19 fema… femin… ## 6 Owen La… 178 120 brown, gr… light blue 52 male mascu… ## 7 Beru Wh… 165 75 brown light blue 47 fema… femin… ## 8 R5-D4 97 32 <NA> white, red red NA none mascu… ## 9 Biggs D… 183 84 black light brown 24 male mascu… ## 10 Obi-Wan… 182 77 auburn, w… fair blue-gray 57 male mascu… ## # ℹ 77 more rows ## # ℹ 5 more variables: homeworld <chr>, species <chr>, films <list>, ## # vehicles <list>, starships <list>
starwars %>% filter(hair_color == "black" | hair_color == 'brown') %>% drop_na(sex) %>% ggplot(aes(hair_color, fill = sex)) + geom_bar(position = "dodge", alpha = 0.5) + theme_bw() + theme(panel.grid.major = element_blank())
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