isid.hlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{smcl}
{* 29nov2004}{...}
{cmd:help isid}{right:dialog:  {bf:{dialog isid}}}
{hline}

{title:Title}

{p2colset 5 17 19 2}{...}
{p2col :{hi:[D] isid} {hline 2}}Check for unique identifiers{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 15 2}
{cmd:isid}
{varlist}
[{helpb using} {it:filename}]
[{cmd:,}
{opt s:ort}
{opt m:issok}]


{title:Description}

{pstd}
{opt isid} checks whether the specified variables uniquely identify the
observations.


{title:Options}

{phang}{opt sort} indicates that the dataset be sorted by {varlist}.

{phang}{opt missok} indicates that missing values are permitted in {varlist}.


{title:Examples}

{phang}{cmd:. isid id t}

{phang}{cmd:. isid mpg using auto, sort}


{title:Also see}

{psee}
Manual:  {bf:[D] isid}

{psee}
Online:  {helpb describe},
{helpb duplicates},
{helpb lookfor};{break}
{helpb codebook},
{helpb inspect}
{p_end}