kwallis.hlp

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{smcl}
{* 01dec2004}{...}
{cmd:help kwallis}{right:dialog:  {bf:{dialog kwallis}}}
{hline}

{title:Title}

{p2colset 5 20 22 2}{...}
{p2col :{hi:[R] kwallis} {hline 2}}Kruskal-Wallis equality-of-populations rank test{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 16 2}
{cmd:kwallis} {varname} {ifin} {cmd:,} {opth "by(varlist:groupvar)"}


{title:Description}

{pstd}
{cmd:kwallis} tests the hypothesis that several samples are from the same
population.  In the syntax diagram above, {varname} refers to the variable
recording the outcome, and {it:groupvar} refers to the variable denoting the
population.  Note that {opt by()} is required.


{title:Option}

{phang}
{opth "by(varlist:groupvar)"} is required.  It specifies a binary variable
that identifies the two groups.


{title:Example}

{phang}{cmd:. kwallis medage, by(region)}


{title:Also see}

{psee}
Manual:  {bf:[R] kwallis}

{psee}
Online:  {helpb nptrend}, {helpb oneway}, {helpb runtest},
{helpb signrank}
{p_end}