Hello list
I have this file

0   121289479   25
0   212599129   1
0   285254098   21
0   444889848   45
0   469197123   30
0   640007403   82
0   718215617   8
0   758534043   56
0   799706577   4
0   814441385   93
0   843545059   37
0.2   121289479   6
0.2   285254098   3
0.2   444889848   6
0.2   469197123   13
0.2   640007403   24
0.2   718215617   3
0.2   758534043   2
0.2   799706577   2
0.2   814441385   70
0.2   843545059   3
0.4   121289479   1
0.4   444889848   14
0.4   469197123   4
0.4   640007403   11
0.4   799706577   2
0.4   814441385   8


I read it with R and next I want to draw a point for each line the X is in
col  2 and y is in col 3
but, I need that for each value of the first colomn , to have a color. Thus,
I want to get a draw with 3 colors for values 0 , 0.2 and 0.4

The probleme is that when I use points function; it plots to me lines and
not simpe points.

Thank you in advance for any input.







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