<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A method to normalize data. In this normalization process, each value subtracts the column mean and is divided by the column standard deviation.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>