ech	testo_brute	masse_poils	traitement	id
1	0	NA	blanc	NA
2	45.78	NA	SLN06	NA
3	33.88	38.6	2	25
4	13.08	41.4	1	25
5	13.97	11.7	2	25
6	5.8	9.4	1	25
7	59.85	78.3	2	25
8	46.63	81.1	1	25
9	57.62	40.8	2	27
10	24.44	46.5	1	27
11	64.08	102.3	2	27
12	57.02	102.7	1	27
13	15.85	14.7	2	27
14	13.65	14.6	1	27
15	10.75	10.5	2	28
16	14.28	13.3	1	28
17	38.2	41.6	2	28
18	23.97	38.7	1	28
19	56.3	71.1	2	28
20	35.36	72.8	1	28
21	19.85	9.4	3	26
22	7.97	12.3	1	26
23	22.68	30.4	3	26
24	12.78	33.2	1	26
25	20.75	74.9	3	26
26	31.8	75.4	1	26
27	30.03	9.8	3	23
28	10.87	10	1	23
29	50.22	29.7	3	23
30	21.02	32.9	1	23
31	0	NA	BLANC	NA
32	61.01	NA	SNL06	NA
33	31.48	68.2	3	23
34	25.81	60.1	1	23
35	22.58	8.9	3	202
36	12.38	9.5	1	202
37	34.23	30.8	3	202
38	18.86	28.1	1	202
39	29.66	74.9	3	202
40	39.54	79.3	1	202