ggplot2 を使ったデータ可視化入門
Rick Scavetta
Founder, Scavetta Academy
3種類
| 種類 |
|---|
| テキスト |
| 線 |
| 矩形 |
3種類
| 種類 | 変更に使用する関数 |
|---|---|
| テキスト | element_text() |
| line | element_line() |
| 矩形 | element_rect() |
ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
geom_jitter(alpha = 0.6)


text
axis.title
axis.title.x
axis.title.x.top
axis.title.x.bottom
axis.title.y
axis.title.y.left
axis.title.y.right
title
legend.title
plot.title
plot.subtitle
plot.caption
plot.tag
axis.text
axis.text.x
axis.text.x.top
axis.text.x.bottom
axis.text.y
axis.text.y.left
axis.text.y.right
legend.text
strip.text
strip.text.x
strip.text.y

theme(
text,
axis.title,
axis.title.x,
axis.title.x.top,
axis.title.x.bottom,
axis.title.y,
axis.title.y.left,
axis.title.y.right,
title,
legend.title,
plot.title,
plot.subtitle,
plot.caption,
plot.tag,
axis.text,
axis.text.x,
axis.text.x.top,
axis.text.x.bottom,
axis.text.y,
axis.text.y.left,
axis.text.y.right,
legend.text,
strip.text,
strip.text.x,
strip.text.y)
ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
geom_jitter(alpha = 0.6) +
theme(axis.title = element_text(color = "blue"))

ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
geom_jitter(alpha = 0.6)


theme(
line,
axis.ticks,
axis.ticks.x,
axis.ticks.x.top,
axis.ticks.x.bottom,
axis.ticks.y,
axis.ticks.y.left,
axis.ticks.y.right,
axis.line,
axis.line.x,
axis.line.x.top,
axis.line.x.bottom,
axis.line.y,
axis.line.y.left,
axis.line.y.right,
panel.grid,
panel.grid.major,
panel.grid.major.x,
panel.grid.major.y,
panel.grid.minor,
panel.grid.minor.x,
panel.grid.minor.y)
ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
geom_jitter(alpha = 0.6)


theme(
rect,
legend.background,
legend.key,
legend.box.background,
panel.background,
panel.border,
plot.background,
strip.background,
strip.background.x,
strip.background.y)
例:テキスト
text
axis.title
axis.title.x
axis.title.x.top
axis.title.x.bottom
axis.title.y
axis.title.y.left
axis.title.y.right
例:テキスト
line
axis.ticks
axis.ticks.x
axis.ticks.x.top
axis.ticks.x.bottom
axis.ticks.y
axis.ticks.y.left,
axis.ticks.y.right
axis.line
axis.line.x
axis.line.x.top
axis.line.x.bottom
axis.line.y
axis.line.y.left
axis.line.y.right
ggplot(iris, aes(x = Sepal.Length, y = Sepal.Width, color = Species)) +
geom_jitter(alpha = 0.6) +
theme(line = element_blank(),
rect = element_blank(),
text = element_blank())

ggplot2 を使ったデータ可視化入門