In addition to this, we realized a sample subset selection to sortout the samples used to study the performance of the calibrationtransfer in terms of the number of samples considered from theslave instrument. We test two different approaches: select sam-ples before or after creating the calibration model of the masterinstrument. Next, we describe the main features of the differentcalibration transfer techniques used in this paper, as well as thetwo methodologies used to perform sample subset selection.