R 用于在绘图外部设置图例的方法

到目前为止，我看到的所有解决方案都涉及到手动设置图例的坐标，使其位于绘图之外。我有>100个绘图，因此希望能够在每个绘图上重复使用相同的代码，以便在默认情况下将图例放置在绘图之外

这里有两个数据框，一个是成功的求职者，另一个是申请该职位的所有人：

Id <- c(1,5,7,9,11,12,13,15,17,18)
Type <- c("Beginner", "Expert", "Intermediate", "Beginner", 
"Professional", "Expert", "Intermediate", "Professional", "Professional", 
"Expert")
Response<- c(0,1,2,2,1,2,1,2,1,1)
Successful <- data.frame(Id, Type, Response)
Successful

#   Successful
Id  Type             Response    
1   Beginner         0
5   Expert           1
7   Intermediate     2
9   Beginner         2
11  Professional     1
12  Expert           2
13  Intermediate     1
15  Professional     2
17  Professional     1
18  Expert           1

Id <- c(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18)
Type <- c("Beginner", "Expert", "Professional", "Beginner", "Expert", 
"Expert", "Intermediate", "Expert", "Beginner", "Intermediate", 
"Professional", "Expert", "Intermediate","Intermediate", "Professional", 
"Beginner", "Professional","Expert")
Response<- c(0,2,2,1,1,0,2,0,2,0,1,2,1,1,2,2,1,1)
AllApplicants <- data.frame(Id, Type, Response)
AllApplicants

#   AllApplicants
Id  Type             Response        
1   Beginner         0
2   Expert           2
3   Professional     2
4   Beginner         1
5   Expert           1
6   Expert           0
7   Intermediate     2
8   Expert           0
9   Beginner         2
10  Intermediate     0
11  Professional     1
12  Expert           2
13  Intermediate     1
14  Intermediate     1
15  Professional     2
16  Beginner         2
17  Professional     1
18  Expert           1

但是，我希望保留在barplot（）函数中包含legend.text=TRUE时自动生成的图例，并使其自动将图例放置在绘图的外部和右侧。我还需要它留在那里，当我调整打印和缩放

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任何帮助都将不胜感激

解决方案是否可行

library(ggplot2)

df <- as.data.frame(round(100*prop.table(table(AllApplicants$Response, AllApplicants$Type),2), 1))

ggplot(df, aes(x=Var2, y=Freq)) + 
geom_col(aes(fill=Var1)) + 
ggtitle("Responses of applicants") + 
theme(plot.title = element_text(hjust=0.5)) + 
xlab("Level") + ylab("Proportion") + 
theme(legend.title = element_blank())

库（ggplot2）
df解决方案是否可行

library(ggplot2)

df <- as.data.frame(round(100*prop.table(table(AllApplicants$Response, AllApplicants$Type),2), 1))

ggplot(df, aes(x=Var2, y=Freq)) + 
geom_col(aes(fill=Var1)) + 
ggtitle("Responses of applicants") + 
theme(plot.title = element_text(hjust=0.5)) + 
xlab("Level") + ylab("Proportion") + 
theme(legend.title = element_blank())

库（ggplot2）
df
library(ggplot2)

df <- as.data.frame(round(100*prop.table(table(AllApplicants$Response, AllApplicants$Type),2), 1))

ggplot(df, aes(x=Var2, y=Freq)) + 
geom_col(aes(fill=Var1)) + 
ggtitle("Responses of applicants") + 
theme(plot.title = element_text(hjust=0.5)) + 
xlab("Level") + ylab("Proportion") + 
theme(legend.title = element_blank())