{smcl} {* 19mar2012}{...} {* @@ Written by Elliott Lowy, mostly on the US government's dime (17 US Code ยง 105).}{...} {vieweralsosee "emiss" "emiss"}{...} INCLUDE help also_vlowy {title:Title} {pstd}{bf:nmiss} {c -} Summarize missing data {title:Syntax} {pmore} {cmdab:nmiss} [{it:{help varelist}}] {ifin} [{cmd:,} {opt n:labels(details)} {opt out(details)}] {title:Description} {pstd}{cmd:nmiss} summarizes missing data in a dataset. It produces two tables: {phang}1.{space 2}The number and percent missing for each variable in {it:{help varelist}}. {pmore}This table also includes the percent of {it:other data} missing when each variable is missing. That is: For the observations in which variable {it:X} is missing, for the {it:other} variables that are sometimes missing, it reports the percent of data (cells) missing. {phang}2.{space 2}The number and percent of observations at each increment of missing data. That is, observations with no missing, with one missing variable, etc. {title:Options} INCLUDE help tabel_options2