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# Grids, borders, lines, and axes examples and exercises

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Start with the code below. Then, apply the principles you have learned about for axes, grids, borders, etc to a plot you have made. The code below also has a starting plot for you if you prefer to use that.

``````##Your turn
library(tidyverse)

#plastic pollution dataset

#Take a plot you made with the plastic pollution dataset (it doesn't need to be a scatter plot)
#And apply the principles you learned about for axes, grids, borders, etc.
#If you don't want to use your own plot, you can use this one...

#wrangle data
data <- plastics %>%
group_by(parent_company) %>%
summarize(total = sum(grand_total, na.rm = TRUE)) %>%
arrange(desc(total)) %>%
slice(4:14) %>%
mutate(parent_company = ifelse(parent_company == "NULL", "Unknown",
parent_company))
#example starting plot
ggplot(data) +
geom_col(aes(x = total, y = reorder(parent_company, total)), fill = "orchid4")

#now apply your styling of the grids, axes, borders, and backgrounds
``````

## Have any questions? Put them below and we will help you out!

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#### Blayne Beacham

Hey Will,

I really like the "g" and "mm" trick for the labelling of the x and y axes but I'm wondering if it is possible to just label the first (or last) instance of this and let the others be just the numbers. Is this possible?