da<-read.table("c:\\ys2.txt",header = F)
da
V1 V2 V3
1 T 10 -25.59
2 T 11 -25.60
3 T 12 -25.61
4 T 13 -25.61
5 T 14 -25.59
6 T 15 -25.56
7 T 16 -25.51
8 T 17 -25.44
9 T 18 -25.34
10 T 19 -25.20
11 T 20 -25.04
12 G 10 -54.23
13 G 11 -54.14
14 G 12 -54.03
15 G 13 -53.92
16 G 14 -53.81
17 G 15 -53.69
18 G 16 -53.56
19 G 17 -53.44
20 G 18 -53.32
21 G 19 -53.19
22 G 20 -53.07
pp<-ggplot(da,aes(V2,V3),group=V1)+geom_line()
> pp


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