use /usr/local/stata/cancer, clear stset studytim died xi: stcox i.drug age xi: gorciv i.drug, eform ys(0,2) level(90) ti("Point Estimates and 90% Confidence Intervals") use /usr/local/stata/auto, clear regress mpg foreign length weight trunk turn displ hdroom gratio rep78 price gorciv foreign length trunk turn displ hdroom gratio rep78, ti("RR's and 95% Confidence Intervals") ys(-8,8) point