{smcl} {hline} help for {cmd:mergevirtual} {right:(March 25, 2009)} {hline} {title:Description} {p 4 8 2} Merges the final set of virtual items into the original data set, for use after {cmd:difwithpar} {p 4 17 2} {cmd:mergevirtual} {it: dataset} {it:id} {p 4 12 2} where: {p 8 12 2} {it:dataset} is the Stata dataset to merge into {p 8 12 2} {it:id} is the subject id variable. {title:Example} {p 4 4 2} run mergevirtual statadata id {title:Author} {p 4 4 2} Laura Gibbons. University of Washington, Copyright 2005.{break} Email: {browse "mailto:":gibbonsl@u.washington.edu} {title:Also see} {p 4 4 2} {cmd:runparscale}.