Research Group for Chemometrics, Department of Chemistry, Umeå University, Umeå, SE-901 87, Sweden. max.bylesjo@chem.umu.se|Research Group for Chemometrics, Department of Chemistry, Umeå University, Umeå, SE-901 87, Sweden. max.bylesjo@chem.umu.se|Research Group for Chemometrics, Department of Chemistry, Umeå University, Umeå, SE-901 87, Sweden. max.bylesjo@chem.umu.se|Research Group for Chemometrics, Department of Chemistry, Umeå University, Umeå, SE-901 87, Sweden. max.bylesjo@chem.umu.se|Research Group for Chemometrics, Department of Chemistry, Umeå University, Umeå, SE-901 87, Sweden. max.bylesjo@chem.umu.se