rownames,X1,X2,X3,Y
1,190,7.4,67,41
2,118,8,72,36
3,149,12.6,74,12
4,313,11.5,62,18
5,,14.3,56,
6,,14.9,66,28
7,299,8.6,65,23
8,99,13.8,59,19
9,19,20.1,61,8
10,194,8.6,69,
11,,6.9,74,7
12,256,9.7,69,16
13,290,9.2,66,11
14,274,10.9,68,14
15,65,13.2,58,18
16,334,11.5,64,14
17,307,12,66,34
18,78,18.4,57,6
19,322,11.5,68,30
20,44,9.7,62,11
21,8,9.7,59,1
22,320,16.6,73,11
23,25,9.7,61,4
24,92,12,61,32
25,66,16.6,57,
26,266,14.9,58,
27,,8,57,
28,13,12,67,23
29,252,14.9,81,45
30,223,5.7,79,115
31,279,7.4,76,37