Hello;
I have the following table
> m
    V2 V1      V3
1  C/L  0  732179
3  C/S  0  803926
19 D/F  0  724924
17 D/I  0  755841
13 D/L  0  731904
15 D/S  0  798289
11 I/F  0  871670
9  I/I  0  897718
5  I/L  0 2628113
7  I/S  0 2628113
2  C/L  1 1107269
4  C/S  1 1395714
20 D/F  1 1181282
18 D/I  1 1264249
14 D/L  1 1107595
16 D/S  1 1399836
12 I/F  1 1304294
10 I/I  1 1542813
6  I/L  1 2628113
8  I/S  1 2475448
as you can see, the table is sorted by the second and the first column.
with this command :
 barplot(m$V3,names.arg=m$V2,col=rainbow(10))
I succeded to print the figure attached.
Now, I need to indicate that the first 10 bar are for beta=0 and the second
10 bars are for beta=1.
Could you help please.
Best regards


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