我融化了我的数据帧，其中包含两个组：“高”和“低”，它们都具有组中每个门的相对丰富度。我想创建一个堆积条形图，这样就有两列（高和低），并填充了100个门的百分比。
Phylum Group value
1 Euryarchaeota High 0.0000000000
2 Acidobacteria High 0.0000000000
3 Actinobacteria High 0.0014929190
4 Bacteroidetes High 0.6620724580
5 Chloroflexi High 0.0000000000
6 Cyanobacteria High 0.0036403330
7 Elusimicrobia High 0.0000000000
8 Fibrobacteres High 0.0000000000
9 Firmicutes High 0.3299947690
10 Fusobacteria High 0.0008169250
11 GemmatimonadetesHigh 0.0000000000
12 Lentisphaerae High 0.0000000000
13 Nitrospirae High 0.0000000000
14 Planctomycetes High 0.0000000000
15 Proteobacteria High 0.0010844560
16 SR1 High 0.0000000000
17 Spirochaetes High 0.0002579760
18 Synergistetes High 0.0000000000
19 TM7 High 0.0000000000
20 Tenericutes High 0.0000023900
21 Verrucomicrobia High 0.0006377750
22 [Thermi] High 0.0000000000
23 Euryarchaeota Low 0.0000018200
24 Acidobacteria Low 0.0000015100
25 Actinobacteria Low 0.0094485600
26 Bacteroidetes Low 0.4611814500
27 Chloroflexi Low 0.0000009090
28 Cyanobacteria Low 0.0005776960
29 Elusimicrobia Low 0.0000272000
30 Fibrobacteres Low 0.0000001330
31 Firmicutes Low 0.5217123900
32 Fusobacteria Low 0.0005029220
33 GemmatimonadetesLow 0.0000003990
34 Lentisphaerae Low 0.0000044400
35 Nitrospirae Low 0.0000000444
36 Planctomycetes Low 0.0000000222
37 Proteobacteria Low 0.0027838720
38 SR1 Low 0.0000002440
39 Spirochaetes Low 0.0000716000
40 Synergistetes Low 0.0000093400
41 TM7 Low 0.0000555000
42 Tenericutes Low 0.0013692220
43 Verrucomicrobia Low 0.0022507390
44 [Thermi] Low 0.0000000222
我尝试过像这样的绘图：
ggplot(df_long, aes(x = "Group", y = value, fill = Phylum))
geom_bar(stat = "identity")但情节空洞。
我之前使用df_long <- melt(data, id.vars = "Phylum", variable.name = "Group")
为什么我的情节没有像我想的那样出现？
答案 0 :(得分：0)
你需要在geom_bar函数中使用position =“stack”，如下所示：
ggplot(df_long, aes(Group, value, fill=Phylum)) + geom_bar(stat="identity",
position="stack")