36-315-Lab3

class: inverse, center, middle

# 36-315: Statistical Graphics and Visualization
## Lab 3

Meghan Hall Department of Statistics & Data Science Carnegie Mellon University June 1, 2021

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# Today

.large[More practice]
 
 
 
.large[Details with bar charts]
 
 
 
.large[Visualizing distributions]

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# Adding extra info efficiently

.medium[Adding info to axis]

```r
# move the custom axis to x or y
mutate(custom_axis = paste0(judge, "\n", n, " episodes"))
```

--

.medium[Highlighting a certain group]

```r
# move the highlight variable to fill
mutate(highlight_2013 = ifelse(year == 2013, 
                                 "highlight", "normal"))
```

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# Lollipop chart

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# Lollipop chart

.medium[Effective when you're comparing many categories]

.medium[Use a combination of `geom_segment` to draw the lines and `geom_point` to mark the ends]

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# Comparing distributions

.medium[Box plots]

.medium[Violin plots]

.medium[Ridgeline plots]

.medium[**Beeswarm plots**]

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# Beeswarm plot

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# Beeswarm plot

.medium[Uses *smart* jittering]

.medium[Useful when there are few enough data points to see them all]

.medium[Needs `ggbeeswarm`]

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# Upcoming

.large[Lab assignment due 11:30am EDT Wednesday!]
 
.medium[Ask questions on Piazza if they don't get answered here]

.large[Lecture 5 on Wednesday June 2]
 
.medium[Line charts and working with time]

.large[Graphic critique]
 
.medium[Follow instructions on syllabus, due before midterm]