rownames,wbc,ag,time
1,2300,present,65
2,750,present,156
3,4300,present,100
4,2600,present,134
5,6000,present,16
6,10500,present,108
7,10000,present,121
8,17000,present,4
9,5400,present,39
10,7000,present,143
11,9400,present,56
12,32000,present,26
13,35000,present,22
14,100000,present,1
15,100000,present,1
16,52000,present,5
17,100000,present,65
18,4400,absent,56
19,3000,absent,65
20,4000,absent,17
21,1500,absent,7
22,9000,absent,16
23,5300,absent,22
24,10000,absent,3
25,19000,absent,4
26,27000,absent,2
27,28000,absent,3
28,31000,absent,8
29,26000,absent,4
30,21000,absent,3
31,79000,absent,30
32,100000,absent,4
33,100000,absent,43