在 ggplot2 中创建一个两类毕业圆圈?
Creating a two-category graduated circle in ggplot2?
我制作了一个图表,其中我用刻度圈表示一个位置的鸟类数量,但我想为每个站点使用单独的颜色。
数据示例:
datexample <- data.frame(
"site" = c("A","B"),
"bird" = c("1A","2A"),
"season" = c("Fall","Winter"),
"lat" = c(45.25, 44.75, 44.75, 44.75),
"lon" = c(-61.75),
"Count"=c(1,3,3,3)
)
datexample
情节代码:
p = ggplot() +
coord_sf(crs = 4326, xlim = c(-58, -69), ylim = c(40, 48))+
xlab("Longitude")+
ylab("Latitude")+
facet_grid(. ~ season)+
geom_point(data = datexample, aes(x = lon, y = lat, size=Count), pch=20, color="royalblue4")+
scale_size_area()
p2 = p + theme(axis.text.x = element_text(angle = 90, hjust = 1))
p2
输出:
我不需要为所有点使用一种颜色,而是需要为每个站点使用一种颜色,并使这两个站点都出现在图例中。
我是 R 的新手,如有任何帮助,我们将不胜感激!
您可以将此 guides(color = guide_legend("Site", override.aes = list(size = 5)))
添加到您的代码中以更改图例中圆点的大小
library(tidyverse)
theme_set(theme_minimal(base_size = 14))
p = ggplot() +
coord_sf(crs = 4326, xlim = c(-58, -69), ylim = c(40, 48))+
xlab("Longitude")+
ylab("Latitude")+
facet_grid(. ~ season)+
geom_point(data = datexample, aes(x = lon, y = lat,
size = Count,
color = site), pch = 20)+
scale_size_area()
p2 <- p +
theme(axis.text.x = element_text(angle = 90, hjust = 1)) +
guides(color = guide_legend("Site", override.aes = list(size = 5)))
p2
由 reprex package (v0.2.1.9000)
创建于 2019-03-02
我制作了一个图表,其中我用刻度圈表示一个位置的鸟类数量,但我想为每个站点使用单独的颜色。
数据示例:
datexample <- data.frame(
"site" = c("A","B"),
"bird" = c("1A","2A"),
"season" = c("Fall","Winter"),
"lat" = c(45.25, 44.75, 44.75, 44.75),
"lon" = c(-61.75),
"Count"=c(1,3,3,3)
)
datexample
情节代码:
p = ggplot() +
coord_sf(crs = 4326, xlim = c(-58, -69), ylim = c(40, 48))+
xlab("Longitude")+
ylab("Latitude")+
facet_grid(. ~ season)+
geom_point(data = datexample, aes(x = lon, y = lat, size=Count), pch=20, color="royalblue4")+
scale_size_area()
p2 = p + theme(axis.text.x = element_text(angle = 90, hjust = 1))
p2
输出:
我不需要为所有点使用一种颜色,而是需要为每个站点使用一种颜色,并使这两个站点都出现在图例中。
我是 R 的新手,如有任何帮助,我们将不胜感激!
您可以将此 guides(color = guide_legend("Site", override.aes = list(size = 5)))
添加到您的代码中以更改图例中圆点的大小
library(tidyverse)
theme_set(theme_minimal(base_size = 14))
p = ggplot() +
coord_sf(crs = 4326, xlim = c(-58, -69), ylim = c(40, 48))+
xlab("Longitude")+
ylab("Latitude")+
facet_grid(. ~ season)+
geom_point(data = datexample, aes(x = lon, y = lat,
size = Count,
color = site), pch = 20)+
scale_size_area()
p2 <- p +
theme(axis.text.x = element_text(angle = 90, hjust = 1)) +
guides(color = guide_legend("Site", override.aes = list(size = 5)))
p2
由 reprex package (v0.2.1.9000)
创建于 2019-03-02