method | class | value |
TOM | d | 32 |
TOM | c | 23 |
TOM | b | 56 |
TOM | a | 23 |
Bill | d | 12 |
Bill | c | 34 |
Bill | b | 56 |
Bill | a | 76 |
Lily | d | 89 |
Lily | c | 12 |
Lily | b | 64 |
Lily | a | 32 |
ggplot(data,aes(x=method,y=value,fill=class))+geom_bar(stat = "identity",position = "fill")
生成的图是这样的
请问:如何按class的d(即图中紫色的部分)从小到大排序method?即Bill、TOM、Lily的顺序画图。