cf.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}
{* 23feb2005}{...}
{cmd:help cf}{right:dialog:  {bf:{dialog cf}}}
{hline}

{title:Title}

{p2colset 5 15 17 2}{...}
{p2col:  {hi:[D] cf} {hline 2}}Compare two datasets{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 11 2}
{cmd:cf}
{varlist}
{helpb using}
{it:filename}
[{cmd:,} {opt v:erbose}]


{title:Description}

{pstd}
{opt cf} compares {varlist} of the dataset in memory (the master dataset)
with the corresponding variables in {it:filename} (the using dataset).
{opt cf} returns nothing (i.e., a return code of 0) if
the specified variables are identical and a return code of 9 if there are
any differences.  Only the variable values are compared.  Variable labels,
value labels, notes, characteristics, etc. are not compared.


{title:Option}

{phang}
{opt verbose} mentions the result of the comparison
variable by variable.  Unless {opt verbose} is specified,
only the differences are mentioned.


{title:Examples}

{p 4 8 2}{cmd:. cf mpg weight displ using mydata}

{p 4 8 2}{cmd:. cf _all using mydata}


{title:Also see}

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

{psee}
Online:  {helpb compare}
{p_end}