ggplot中文本标签的不同部分的字体大小不同

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我遵循了这些instructions，但是我无法使其与脚本一起使用。他们似乎使用的是labs（），而不是我下面使用的方法。

我制作了这个情节：

但是，我希望文本的不同部分具有不同的字体大小。我在Photoshop中编辑了以下内容，以描述我要寻找的结果。

我使用了以下脚本：

Data sample

数据样本

ggplot(as.data.frame(out),aes(x = n.fjernet)) + theme +
geom_ribbon(aes(fill = model,ymin = lower,ymax = upper),alpha = .1) +
geom_line(aes(y = yhat,col = model),size=1) +
ggtitle("Lymph node yield") +
geom_segment(aes(x = 0,y = 1,xend = 100,yend = 1),lty="dashed",size=0.5) +
geom_segment(aes(x = 25,xend = 25,yend = 0.5),size=0.5,col="black") +
geom_point(mapping = aes(x = 25,y = 1),size=2,shape=16,col="black",alpha=0.5) +
scale_fill_manual(values = c("#DAE5F2","#F9E7E5","#E4F2F3","#FAF1D9"),name = "",labels = c("Overall survival\nNot adjusted to metastatic burden","Event-free survival\nNot adjusted to metastatic burden","Overall survival\nAdjusted to metastatic burden","Event-free survival\nAdjusted to metastatic burden")) +
scale_colour_manual(values = c("#2C77BF","#E38072","#6DBCC3","#E1B930"),"Event-free survival\nAdjusted to metastatic burden")) +
scale_x_continuous(name="",breaks=seq(0,100,by=25),limits=c(0,100),label=c("0","25\nas reference","50","75","100")) +
scale_y_continuous(name="Hazard ratio",breaks = seq(0.5,1.2,by=.1)) +coord_cartesian(ylim=c(0.5,1.25)) +
theme(axis.text.x = element_text(color = "grey20",size =11),axis.title.x = element_text(color = "grey20",size = 14,face="bold",margin=ggplot2::margin(t=12)),axis.text.y = element_text(color = "grey20",size = 11),axis.title.y = element_text(color = "grey20",margin=ggplot2::margin(r=12)),legend.key = element_rect(fill = "white"),plot.title = element_text(color = "grey20",size = 18,hjust = 0.5),plot.subtitle = element_text(hjust = 0.5),legend.text=element_text(size=12),legend.title=element_text(size=14),legend.position="top") +
guides(fill=guide_legend(nrow=2,byrow=TRUE))


您可以使用当前正在开发的ggtext软件包进行此操作。

# this requires the current development versions of ggplot2 and ggtext
# remotes::install_github("tidyverse/ggplot2")
# remotes::install_github("clauswilke/ggtext")
library(tidyverse)
library(ggtext)
df <- tibble(reference = seq(0,100,by = 5)) %>%
mutate(
overall_not_adj = 1 + .08/(-25) * (reference - 25),event_free_not_adj = 1 + .1/(-25) * (reference - 25),overall_adj = 1 + .12/(-25) * (reference - 25),event_free_adj = 1 + .14/(-25) * (reference - 25)
) %>%
pivot_longer(-reference,names_to = "lymph_node_yield",values_to = "hazard_ratio")
ggplot(df,aes(reference,hazard_ratio,color = lymph_node_yield)) +
geom_line() +
scale_color_manual(
name = "Lymph node yield",breaks = c(
"overall_not_adj","overall_adj","event_free_not_adj","event_free_adj"
),labels = c(
"Overall survival
Not adjusted to metastatic burden","Overall survival
Adjusted to metastatic burden","Event-free survival
Not adjusted to metastatic burden","Event-free survival
Adjusted to metastatic burden"
),values = c(
overall_not_adj = "#0072B2",overall_adj = "#009E73",event_free_not_adj = "#CC79A7",event_free_adj = "#E69F00"
),guide = guide_legend(title.position = "top",ncol = 2)
) +
theme_classic() +
theme(
legend.position = "top",legend.title.align = 0.5,legend.text = element_markdown(),legend.key.height = grid::unit(20,"pt")
)


^{由reprex package（v0.3.0）于2019-12-03创建}