d SJ4-4 st0077. Confidence intervals for the variance of... d Confidence intervals for the variance component of d linear models d by Matteo Bottai, Arnold School of Public Health, d University of South Carolina d Nicola Orsini, Division of Nutritional Epidemiology, d Institute of Environmental Medicine, Karolinska d Institutet d Support: mbottai@@gwm.sc.edu d After installation, type help ^xtvc^ f st0077/xtvc.ado f st0077/xtvc.hlp f st0077/examples.do