The invention relates to a method for characterizing a sample, having the following steps: providing at least one analysis result having a plurality of values, wherein the analysis result was generated by the analysis of a sample by at least one analysis method determining the value of at least one mathematic relation between at least two values of the plurality of values generating a characterizing signature of the sample on the basis of the value of the at least one mathematic relation. The invention further relates to a method for characterizing a system in which method the preceding method is used.
