svy_poisson.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}
{* 29mar2005}{...}
{cmd:help svy: poisson}{...}
{right:dialog:  {bf:{dialog svy_poisson}}{space 16}}
{right:also see:  {help "svy: poisson postestimation"}}
{hline}

{title:Title}

{p2colset 5 27 29 2}{...}
{p2col :{hi:[SVY] svy: poisson} {hline 2}}Poisson
regression for survey data{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 42 2}
{cmd:svy} [{it:vcetype}]
	[{cmd:,} {it:svy_options}]
{cmd::} {cmd:poisson} {depvar} [{varlist}] {ifin}
	{bind:[{cmd:,} {it:options}]}


{synoptset 25 tabbed}{...}
INCLUDE help svy_optable


{synopthdr:options}
{synoptline}
{syntab:Model}
{synopt :{opt nocon:stant}}suppress the constant term{p_end}
{synopt :{opt e:xposure(varname_e)}}include
	ln({it:varname_e}) in model with coefficient constrained to 1{p_end}
{synopt :{opt off:set(varname_o)}}include
	{it:varname_o} in model with coefficient constrained to 1{p_end}
{synopt :{opt const:raints(constraints)}}apply
	specified linear constraints{p_end}

{syntab:Reporting}
{synopt :{opt ir:r}}report incidence-rate ratios{p_end}

{syntab:Max options}
{synopt :{it:{help maximize:maximize_options}}}control
	the maximization process; seldom used{p_end}
{synoptline}
{p2colreset}{...}


{title:Description}

{pstd}
{cmd:svy: poisson} fits Poisson regression models for complex survey data;
see {helpb poisson} for a description of this model involving nonsurvey data,
{helpb "svy: nbreg"} for negative binomial regression for survey data.


{title:Options}

{phang}
{it:svy_options}; see {helpb svy}.

{dlgtab:Model}

{phang}
{opt noconstant},
{opt exposure(varname)}, {opt offset(varname)}, {opt constraints(constraints)};
see {help estimation options}.

{dlgtab:Reporting}

{phang}
{opt irr}; see {it:{help eform_option}}.

INCLUDE help svy_ml_maximize_options


{title:Examples}

{phang}
{cmd:. webuse alq99_00}
{p_end}
{phang}
{cmd:. svyset}
{p_end}
{phang}
{cmd:. generate drinkdays = alq120q if alq120q <= 365}
{p_end}
{phang}
{cmd:. svydes drinkdays}
{p_end}
{phang}
{cmd:. xi: svy: poisson drinkdays ridageyr i.ridreth1, irr}
{p_end}


{title:Also see}

{psee}
Manual:  {bf:[SVY] svy: poisson}

{psee}
Online:  {help "svy: poisson postestimation"};{break}
{helpb poisson},
{helpb "svy: nbreg"},
{helpb "svy: regress"}
{p_end}