[英]R: {ggplot2}: How / Can I independently adjust the x-axis limits on a facet_grid plot?
[英]how to change x-axis limits ggplot2 r
我想使用ggplot条形图设置x轴的限制。 整个图还可以,但是当我使用ylim(1,6)(这些是我需要的限制)时,这些条消失了。
数据:
var.A <- as.numeric(c(1:13))
var.B <- c(4.351833, 2.938000, 4.726465, 3.747162, 3.720737, 4.297117, 4.304500, 4.061277, 4.595236, 4.105444, 3.701684, 3.523563, 4.170000)
df <- data.frame(var.A,var.B)
ggplot代码:
ggplot(df, aes(x=factor(var.A), y=var.B)) +
geom_bar(position=position_dodge(), stat="identity", fill="#fff68f", colour="darkgrey", width = 0.4) +
coord_flip()+
xlab("") +
ylab("") +
scale_x_discrete(labels=c("aaaaaaa aaaaa","bbbbb bbb bbbb","cccc ccc","dddd dd ddddd",
"eee e eeeee e ee","ffffffff","gggggggg","hhhhhhh","iiii",
"jjjjjj","kkkkkkk","llllll","mmmmmmmm"))
当我添加时: ylim(1,6) +
出问题了。
还有一件事。 每个条形的颜色设置为fill="#fff68f"
。 是否有任何解决方案来更改一个条的颜色,例如我想从顶部开始的第一个,即#ee2c2c
。
因为您使用了coord_flip()
,所以可以使用scale_y_continuous(expand=c(0,0),limits=c(1,6),oob = rescale_none)
设置x轴的scale_y_continuous(expand=c(0,0),limits=c(1,6),oob = rescale_none)
并且为每个条设置颜色时,可以使用scale_fill_manual(values = c("#ee2c2c",...)
。
因此,如果您想手动设置条形的颜色,则首先需要创建名称矢量并将其插入到数据框中:
names <- c("aaaaaaa aaaaa","bbbbb bbb bbbb","cccc ccc","dddd dd ddddd",
"eee e eeeee e ee","ffffffff","gggggggg","hhhhhhh","iiii",
"jjjjjj","kkkkkkk","llllll","mmmmmmmm")
var.A <- as.numeric(c(1:13))
var.B <- c(4.351833, 2.938000, 4.726465, 3.747162, 3.720737, 4.297117, 4.304500, 4.061277, 4.595236, 4.105444, 3.701684, 3.523563, 4.170000)
df <- data.frame(var.A,var.B,names)
为了在ggplot中排序变量名和颜色,您需要将矢量的结构从字符更改为因子(以获取级别)。
var.names = factor(df$names,
levels = c("aaaaaaa aaaaa","bbbbb bbb bbbb","cccc ccc","dddd dd ddddd", "eee e eeeee e ee","ffffffff","gggggggg","hhhhhhh","iiii", "jjjjjj","kkkkkkk","llllll","mmmmmmmm"), ordered=T)
因此,您的代码如下所示:
ggplot(df, aes(x=var.names, y=var.B, fill=as.factor(var.names))) +
geom_bar(position=position_dodge(), stat="identity", width = 0.4) +
coord_flip()+
scale_y_continuous(expand=c(0,0),limits=c(1,6),oob = rescale_none) +
xlab("") +
ylab("") +
scale_fill_manual(values = c(c(rep("#fff68f",12)),"#ee2c2c"))
和输出是
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