可视化图例位置的调整

可视化百度云资料链接为：
链接：https://pan.baidu.com/s/1w-mjJfZZFAK0R0ELdT9Ihg
提取码：zx9e

数据读取

library(ggplot2)
library(RColorBrewer)
library(reshape2)
df<-read.csv("Data.csv", header = TRUE)

数据描述
在这里插入图片描述
数据及代码的参考资料为：

绘图

ggplot(data=df, aes(x=Time,y=value,fill=variable,shape=variable)) + 
  geom_line()+
  geom_point(size=4,colour="black") +
  scale_fill_manual(values=c("#FF9641","#FF5B4E","#B887C3","#38C25D"))+
  scale_shape_manual(values=c(21,22,23,24))+
  scale_x_continuous(name="Time(d)",breaks=seq(0,20,2))+
  scale_y_continuous(breaks=seq(0,90,10),limits=c(0,90),expand =c(0, 1))+
  theme_classic()+
  theme(
    text=element_text(size=14,color="black"),
    legend.background = element_rect(fill="white"),
    legend.position="right"
  )

在这里插入图片描述

改变图例位置

ggplot(data=df, aes(x=Time,y=value,fill=variable,shape=variable)) + 
  geom_line()+
  geom_point(size=4,colour="black") +
  scale_fill_manual(values=c("#FF9641","#FF5B4E","#B887C3","#38C25D"))+
  scale_shape_manual(values=c(21,22,23,24))+
  scale_x_continuous(name="Time(d)",breaks=seq(0,20,2))+
  scale_y_continuous(breaks=seq(0,90,10),limits=c(0,90),expand =c(0, 1))+
  theme_classic()+
  theme(
    text=element_text(size=14,color="black"),
   legend.background = element_blank(),
    legend.position=c(0.2,0.8)
  )