exp_list.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}
{* 07apr2005}{...}
{cmd:help {it:exp_list}}
{hline}

{title:Title}

{pstd}
{it:exp_list} {hline 2} Expression Lists


{title:Description}

{pstd}
The expressions in {it:exp_list} are assumed to conform to the following
grammar.  Note that {it:exp_list} should not be enclosed in parentheses,
though individual expressions may be.

{p2colset 9 32 36 2}{...}
{p2col :{it:exp_list} contains}{cmd:(}{it:name}{cmd::} {it:elist}{cmd:)}{p_end}
{p2col :}{it:elist}{p_end}
{p2col :}{it:eexp}{p_end}

{p2col :{it:elist} contains}{it:newvarname} = {opt (exp)}{p_end}
{p2col :}{opt (exp)}{p_end}

{p2col :{it:eexp} is}{it:specname}{p_end}
{p2col :}{cmd:[}{it:eqno}{cmd:]}{it:specname}{p_end}

{p2col :{it:specname} is}{cmd:_b}{p_end}
{p2col :}{cmd:_b[]}{p_end}
{p2col :}{cmd:_se}{p_end}
{p2col :}{cmd:_se[]}{p_end}

{p2col :{it:eqno} is}{cmd:#}{it:#}{p_end}
{p2col :}{it:name}{p_end}

{pmore}
{it:exp} is a standard Stata expression; see help {help exp}.


{title:Examples}

{cmd}{...}
    . bootstrap (location: mean=r(mean) median=r(p50))
                (scale: sd=r(sd) iqr=(r(p75)-r(p25))
                        range=(r(max)-r(min)))
                : sum price, detail
{reset}{...}

{phang}
{cmd:. bootstrap or=(exp(_b[mpg])): logit for mpg weight}

{phang}
{cmd:. jackknife sd=(r(sd)) skew=(r(skewness)), r: summarize mpg, detail}

{phang}
{cmd:. permute price _b rmse=(e(rmse)): reg price trunk}

{phang}
{cmd:. statsby _b n=(e(N)), by(rep for): reg mpg weight}


{title:Also see}

{psee}
Manual:  {bf:[U] 13 Functions and expressions};{break}
	 {bf:[R] bootstrap},{break}
	 {bf:[R] jackknife},{break}
	 {bf:[R] permute},{break}
	 {bf:[R] simulate},{break}
	 {bf:[D] statsby};{break}
	 {bf:[SVY] svy brr},{break}
	 {bf:[SVY] svy jackknife}

{psee}
Online:  {help exp};
{helpb bootstrap},
{helpb jackknife},
{helpb permute},
{helpb simulate},
{helpb statsby}
{helpb "svy: brr"},
{helpb "svy: jackknife"},
{p_end}