[英]Simple bar plot with multiple variables in R - Similar to Excel
我有这个数据框:
Unit <- c(A, B, C, D)
Yes <- c(50, 65, 20, 41)
No <- c(70, 67, 40, 20)
Missing <- c(10, 12, 8, 7)
df <- data.frame(Unit, Yes, No, Missing)
我想在Excel中使用简单的条形图(请参见附件图): Excel Plot
https://i.stack.imgur.com/BvWSA.jpg
我使用ggplot,但仅用于一个Var,如果添加其他变量,则会给我错误:
ggplot(data = df, aes(x = Unit, y = Yes)) +
geom_col() +
geom_text(aes(label = Yes), position = position_stack(vjust = 0.5))
谢谢。
您的数据需要采用长格式而不是宽格式,才能在ggplot中进行绘制
Unit <- c("A", "B", "C", "D") #character objects need quotes
Yes <- c(50, 65, 20, 41)
No <- c(70, 67, 40, 20)
Missing <- c(10, 12, 8, 7)
df <- data.frame(Unit, Yes, No, Missing)
require(tidyr)
df.long <- gather(df, variable,value, -Unit)
一旦数据为长格式, position_dodge()
将为您提供所需的图形
ggplot(data = df.long, aes(x = Unit, y = value, fill = variable)) +
geom_col(position = position_dodge())
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