Lau*_*ura 10 r ggplot2 cowplot
这是我的代码:
library(ggplot2)
library(cowplot)
df <- data.frame(
x = 1:10, y1 = 1:10, y2 = (1:10)^2, y3 = (1:10)^3, y4 = (1:10)^4
)
p1 <- ggplot(df, aes(x, y1)) + geom_point()
p2 <- ggplot(df, aes(x, y2)) + geom_point()
p3 <- ggplot(df, aes(x, y3)) + geom_point()
p4 <- ggplot(df, aes(x, y4)) + geom_point()
p5 <- ggplot(df, aes(x, y3)) + geom_point()
# simple grid
plot_grid(p1, p2,
p3, p4,
p5, p4)
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但我不想重复p4我想“拉伸”p4以占据col2以及第2行和第3行。
有什么帮助吗?
您可能会发现使用gridExtra::grid.arrange().
library(gridExtra)
grid.arrange(p1, p2, p3, p4, p5,
ncol = 2,
layout_matrix = cbind(c(1,3,5), c(2,4,4)))
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结果:
对于拼凑包来说,这是相当简单的。
另外,永远不要忘记facet选项 - 为此你需要ggh4x包。
最后,也是所需的cowplot 解决方案,它需要多个plot_grid 对象的复杂嵌套。不是我最喜欢的。
## Option 1 - patchwork
library(ggplot2)
library(patchwork)
df <- data.frame(
x = 1:10, y1 = 1:10, y2 = (1:10)^2, y3 = (1:10)^3, y4 = (1:10)^4
)
## patchwork allows working with lists, which I find neat.
make_p <- function(y){
ggplot(df, aes(x, !!sym(y))) + geom_point()
}
## custom layout grid
layout <- "
AB
CD
ED
"
ls_p <- lapply(paste0("y", c(1:4,3)), make_p)
wrap_plots(ls_p) + plot_layout(design = layout)
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在您的特定示例中,另一个选择是使用ggh4x::facet_manual.
## Option 2 - faceting with ggh4x
library(tidyverse)
library(ggh4x)
df <- data.frame(
x = 1:10, y1 = 1:10, y2 = (1:10)^2, y3 = (1:10)^3, y4 = (1:10)^4,
## adding y5 for simplicity
y5 = (1:10)^3
)
design <- "
AB
CD
ED
"
## or you can pass a matrix as design argument
# design <- matrix(c(1,2,3,4,5,4), 3, 2, byrow = TRUE)
df %>%
pivot_longer(matches("^y")) %>%
ggplot(aes(x, value)) +
geom_point() +
facet_manual(~ name, design)
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最后,牛图选项。
## option 3 nesting plot_grids with cowplot
library(cowplot)
p1 <- ggplot(df, aes(x, y1)) + geom_point()
p2 <- ggplot(df, aes(x, y2)) + geom_point()
p3 <- ggplot(df, aes(x, y3)) + geom_point()
p4 <- ggplot(df, aes(x, y4)) + geom_point()
p5 <- ggplot(df, aes(x, y3)) + geom_point()
top_row <- plot_grid(p1, p2)
left_col <- plot_grid(p3, p5, ncol = 1)
bottom_panel <- plot_grid(left_col, p4, ncol = 2)
plot_grid(top_row, bottom_panel, ncol = 1)
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