{smcl} {* 22aug2016}{...} {hline} help for {hi:x11as} {hline} {title:Perform X-11 seasonal adjustment on monthly or quarterly time series} {title:Syntax} {p 8 16 2}{cmd:x11as} {varname} {ifin} {cmd:,}[{cmd:double}] {p}{cmd:x11as} performs the X-11 seasonal adjustment procedure developed by the US Census Bureau by calling a Mac OSX or Linux binary executable. It currently handles a single timeseries. {p}For more information on the X-13ARIMA-SEATS program executed by this command, see {browse "https://www.census.gov/srd/www/x13as/"}. {title:Author} {p 0 4}Christopher F Baum, Boston College, USA{p_end} {p 0 4}baum@bc.edu{p_end}