scm problem

Dear NMUsers I am a beginner with NONMEM. I have developed a model and want to use AGE, WT, CRCL, SeCR and SEX as covariates on CL, V1 and V2. Can someone provide me the step by step guidence how can I perform this Analysis by using Pirana? Regards -- *Muhammad Usman* PhD Scholar Westfälische Wilhelms-Universität Münster Institut für Pharmazeutische und Medizinische Chemie - Klinische Pharmazie - Corrensstrasse 48 48149 Münster Room No. A120.209 Phone: +49 251/8332171 Mob # +49 176 70962067