,index,halflife,rateconstant,acidity,temperature,temperature_unit,original_sludge_amount,sludge_retention_time,total_suspended_solids_concentration_start,total_suspended_solids_concentration_end,volatile_suspended_solids_concentration_start,volatile_suspended_solids_concentration_end,volatile_suspended_solids_concentration_unit,bioreactor_value,nitrogen_content_influent,oxygen_demand_value,oxygen_uptake_rate,phosphorus_content
count,223,15,215,213,211,0,218,183,196,196,0,0,0,214,94,90,0,80
mean,112,3.661066667,4.771797209,7.227230047,21.08530806,,167.0573394,20.07650273,4.101020408,4.153061224,,,,128.0373832,42.36170213,844.3333333,,6.875
std,64.51873113,4.450863343,14.06682482,0.716260157,2.291250911,,664.9772955,21.52475306,2.827756015,2.790724714,,,,119.7959082,34.7808967,928.9718855,,6.109496654
min,1,0.1,0.0013,6.2,20,,20,2.6,1.9,2.1,,,,50,3.3,54,,2
25%,56.5,0.506,0.098,6.3,20,,50,6.1,2.3,2.3,,,,100,18.6,203,,3
50%,112,1.417,0.78,7.3,20,,70,12,3,3,,,,100,24.9,500,,5
75%,167.5,5.5835,3.52,8,21,,70,25,6,6,,,,100,86,820,,6.75
max,223,13.125,129.56,8.1,30,,5000,99.6,12.4,12.4,,,,1000,100,3000,,22