Multivariate data analysis 9 Multivariate location and scatter 4 Robust estimation 4 Acid titration 2 Acidithiobacillus thiooxidans 2 Aerobic condition 2 Air-lift bioreactors 2 Artificial organs 2 Bacteria (microorganisms) 2 Bacterial strains 2 Biochemical process 2 Bioconversion 2 Bioreactors 2 Cellwise contamination 2 Cellwise outliers 2 Componentwise 2 Componentwise contamination 2 Culture medium 2 Density measurement (optical) 2 Electronic NOSE 2 Electronic equipment 2 Electronic nose 2 Elemental sulfur 2 Gas monitoring 2 Gases 2 Headspaces 2 IRMS 2 In-situ monitoring 2 Location 2 Matrix algebra 2