sample,meas_1,meas_2,meas_3,additive,stage
1,,,,milk,0
2,,,,milk,0
3,,,,milk,0
1,7.71,6.99,6.5,milk,1
2,6.58,6.29,6.2,milk,1
3,6.11,6.17,6.24,milk,1
1,11.6,11.6,11.6,milk,2
2,11.4,11.3,11.3,milk,2
3,11.5,11.4,11.5,milk,2
1,16.2,16,15.7,milk,3
2,16.3,16.3,16.4,milk,3
3,15.9,16,15.8,milk,3
1,20,20.1,20.1,milk,4
2,20.5,20.7,20.4,milk,4
3,19.9,20.2,19.9,milk,4
1,25.8,25.6,25.4,milk,5
2,25.3,25.3,25.2,milk,5
3,25.2,25.3,25.4,milk,5
1,30.6,30.5,30.7,milk,6
2,30.5,30.5,30.6,milk,6
3,30.3,30.1,30.1,milk,6