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In this video we look at how to count data in R and plot the results. We look at counts of volcano types, and then a more complex plot with counts of volcano types by region.
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Volcano data from the Tidy Tuesdays R project: https://github.com/rfordatascience/tidytuesday/blob/master/data/2020/2020-05-12/readme.md
0:00 Intro
0:36 Read volcano data
1:17 Look at the volcano data
2:10 Simplify the data
6:37 Plot volcano types
7:55 Improvement: coord_flip()
8:15 Improvement: sort counts with fct_reorder()
10:05 Plot volcano types by region
12:00 Improvement: use scales = "free"
12:42 Improvement: sort counts by region with reorder_within()
15:00 Improvement: add labels
15:30 Improvement: add color with 'fill ='
16:15 Improvement: remove legend with show.legend = FALSE
16:45 Final result!!
Code: https://gist.github.com/larsentom/2863378b27859af7cf65125f68c13373
