cross.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}
{* 30nov2004}{...}
{cmd:help cross}{right:dialog:  {bf:{dialog cross}}}
{hline}

{title:Title}

{p2colset 5 18 20 2}{...}
{p2col :{hi:[D] cross} {hline 2}}Form every pairwise combination of two
datasets{p_end}
{p2colreset}{...}


{title:Syntax}

	{cmd:cross} {helpb using} {it:filename}


{title:Description}

{pstd}
{opt cross} forms every pairwise combination of the data in memory with the
data in {it:filename}.  If {it:filename} is specified without a suffix,
{opt .dta} is assumed.  This command is rarely used; also see {helpb joinby},
{helpb merge}, and {helpb append}.


{title:Example}

{phang}{cmd:. cross using agecats sex}{p_end}


{title:Also see}

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

{psee}
Online:  
{helpb append},
{helpb fillin},
{helpb joinby},
{helpb merge},
{helpb save}
{p_end}