A data-processing method (A1-A14a;A1-A14b) for analyzing a body-part, the method including the steps of: providing (A1-A4) a parametric map including a two-dimensional matrix of a plurality of parameter values each one characterizing a corresponding location of the body-part, determining (A5-A10a-A5-A10b) a representation of a statistical distribution and/or calculating (A11a-A11b) the value of at least one statistical parameter, wherein each statistical distribution and value of statistical parameter relates to at least one analysis set, each analysis set comprising a plurality of analysis parameter values selected among said parameter values corresponding to analysis locations selected among said locations, and wherein each statistical distribution and value of statistical parameter is indicative of a health condition of an analysis region of the body-part defined by the analysis locations, characterized in that the step of determining a representation of a statistical distribution and/or calculating the value of at least one statistical parameter includes, for each analysis set: determining a partitioning value partitioning an ordered sequence in increasing or decreasing order of processing parameter values, into a first subset and a second subset consisting of a non-zero number of the processing parameter values being determined according to a predefined auto-scaling percentage, the processing parameter values being selected among said parameter values corresponding to processing locations selected among said locations at least including the analysis locations, generating, from the parametric map, an auto-scaled map including a two-dimensional matrix with, for each processing location, an auto-scaled value being equal to: a) the corresponding processing parameter value if included in the second subset, or b) the partitioning value if the corresponding processing parameter value is included in the first subset, and determining (A8a-A10a;A8b-A10b) the representation of the statistical distribution and/or calculating (A11a-A11b) the value of the at least one statistical parameter from the auto-scaled values corresponding to the analysis locations. providing (A1-A4) a parametric map including a two-dimensional matrix of a plurality of parameter values each one characterizing a corresponding location of the body-part, determining (A5-A10a-A5-A10b) a representation of a statistical distribution and/or calculating (A11a-A11b) the value of at least one statistical parameter, wherein each statistical distribution and value of statistical parameter relates to at least one analysis set, each analysis set comprising a plurality of analysis parameter values selected among said parameter values corresponding to analysis locations selected among said locations, and wherein each statistical distribution and value of statistical parameter is indicative of a health condition of an analysis region of the body-part defined by the analysis locations, determining a partitioning value partitioning an ordered sequence in increasing or decreasing order of processing parameter values, into a first subset and a second subset consisting of a non-zero number of the processing parameter values being determined according to a predefined auto-scaling percentage, the processing parameter values being selected among said parameter values corresponding to processing locations selected among said locations at least including the analysis locations, generating, from the parametric map, an auto-scaled map including a two-dimensional matrix with, for each processing location, an auto-scaled value being equal to: a) the corresponding processing parameter value if included in the second subset, or b) the partitioning value if the corresponding processing parameter value is included in the first subset, and a) the corresponding processing parameter value if included in the second subset, or b) the partitioning value if the corresponding processing parameter value is included in the first subset, and determining (A8a-A10a;A8b-A10b) the representation of the statistical distribution and/or calculating (A11a-A11b) the value of the at least one statistical parameter from the auto-scaled values corresponding to the analysis locations.