# A Gallery of Euler and Venn Diagrams In eulerr: Area-Proportional Euler and Venn Diagrams with Ellipses

```knitr::opts_chunk\$set(
collapse = TRUE,
comment = "#>",
fig.align = "center",
fig.height = 4,
fig.width = 5
)
```
```library(eulerr)
```

This vignette serves as a gallery for Euler diagrams and as a showcase of the various options for customization that are available.

## Euler Diagrams

### Uniform intersections

```uniform_intersections <- euler(c("A" = 10, "B" = 10, "C" = 10,
"A&B" = 4, "A&C" = 4, "B&C" = 4,
"A&B&C" = 2))
plot(uniform_intersections)
```

### Disjoint sets

```disjoint_sets <- euler(c(A = 1, B = 1, C = 1))
plot(disjoint_sets,
labels = c("Tom", "Greg", "Alberta"),
edges = list(lty = 1:3))
```

### A set contained in the intersection of two sets

```completely_contained <- euler(c("A" = 15, "B" = 15, "C" = 0,
"A&B" = 3, "A&C" = 0, "B&C" = 0,
"A&B&C" = 3))
plot(completely_contained,
labels = list(col = c("white", "black", "black")),
edges = list(col = "white", lex = 2),
fills = c("black", "cyan", "orange"))
```

### Two sets intersecting inside a third

```intersecting_inside <- euler(c("A" = 15, "B" = 0, "C" = 0,
"A&B" = 3, "A&C" = 3, "B&C" = 0,
"A&B&C" = 2))
plot(intersecting_inside,
fills = list(fill = c("lavenderblush2",
"lightblue2",
"lightsalmon",
"",
"",
"",
"plum2")),
legend = list(side = "right"))
```

### Difficult set (for circles!)

```one_contained <- euler(c("A" = 7, B = 6, C = 0,
"A&B" = 0, "A&C" = 1, "B&C" = 1,
"A&B&C" = 2),
shape = "ellipse")
plot(one_contained,
quantities = list(type = "percent"))
```

### Russian doll

Sets intersecting inside other sets.

```russian_doll <- euler(c("A" = 15, "B" = 0, C = 0,
"A&B" = 10, "A&C" = 0, "B&C" = 0,
"A&B&C" = 5))
plot(russian_doll)
```

### Wilkinson set relationship

This set relationship is taken from Wilkinson et al. It works best with ellipses.

```wilkinson <- euler(c(A = 4, B = 6, C = 3, D = 2, E = 7, F = 3,
"A&B" = 2, "A&F" = 2, "B&C" = 2, "B&D" = 1,
"B&F" = 2, "C&D" = 1, "D&E" = 1, "E&F" = 1,
"A&B&F" = 1, "B&C&D" = 1),
shape = "ellipse")
plot(wilkinson,
labels = list(fontfamily = "serif"),
edges = list(lty = 3),
quantities = list(type = "percent",
font = 3))
```

### Gene set

```genes <- euler(c("SE" = 13, "Treat" = 28, "Anti-CCP" = 101, "DAS28" = 91,
"SE&Treat" = 1, "SE&DAS28" = 14, "Treat&Anti-CCP" = 6,
"SE&Anti-CCP&DAS28" = 1))
plot(genes,
quantities = list(type = c("percent", "counts")))
```

### Three sets intersecting inside a fourth

```three_inside_fourth <- euler(c("A" = 30,
"A&B" = 3, "A&C" = 3, "A&D" = 3,
"A&B&C" = 2, "A&B&D" = 2, "A&C&D" = 2,
"A&B&C&D" = 1))
plot(three_inside_fourth)
```

### eulerAPE combination

A combination taken from the eulerAPE article.

```eulerape <- euler(c("a" = 3491, "b" = 3409, "c" = 3503,
"a&b" = 120, "a&c" = 114, "b&c" = 132,
"a&b&c" = 126),
shape = "ellipse",
control = list(extraopt = FALSE))
plot(eulerape)
```

### Four uniform interactions

```uniform <- euler(c("A" = 10, "B" = 10, "C" = 10, "D" = 10,
"A&B" = 3, "A&C" = 3, "A&D" = 0, "B&C" = 0, "B&D" = 3, "C&D" = 3,
"A&B&C" = 1, "A&B&D" = 1, "A&C&D" = 1, "B&C&D" = 1,
"A&B&C&D" = 1))
plot(uniform, labels = list(labels = c("Frodo", "Sam", "Merry", "Pippin"),
font = 1:4,
col = 1:4,
cex = seq(1, 1.5, length.out = 4)))
```

### Two circles intersecting completely

```two_overlapping <- euler(c("A" = 0, "B" = 0, "A&B" = 10))
plot(two_overlapping)
```

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eulerr documentation built on May 29, 2024, 1:35 a.m.