rownames,Batch,Yield
1,A,1545
2,A,1440
3,A,1440
4,A,1520
5,A,1580
6,B,1540
7,B,1555
8,B,1490
9,B,1560
10,B,1495
11,C,1595
12,C,1550
13,C,1605
14,C,1510
15,C,1560
16,D,1445
17,D,1440
18,D,1595
19,D,1465
20,D,1545
21,E,1595
22,E,1630
23,E,1515
24,E,1635
25,E,1625
26,F,1520
27,F,1455
28,F,1450
29,F,1480
30,F,1445