<div dir="ltr">Fúlvia,<div><br></div><div>Você realizou um teste que os gringos denominam <i>omnibus test</i> "não paramétrico", ou seja com relaxamento de certos pressupostos e obteve um resultado de valor-p menor que 0,05. Como você tem quatro tratamentos (df=3), então a segunda questão seria saber se <b>todos</b> os tratamento seriam diferentes entre si ou alguns o são e outros não.</div><div><br></div><div>O segundo teste usa métricas para determinar qual a diferença seria significante (por favor leia a documentação do R e sobre o método em manuais de Estatística para os detalhes) e gera a tabela que você postou.</div><div><br></div><div>Considerando a forma de definir a diferença e a maneira de estabelecer o limiar de "significância estatística" o tratamento dois parece diferente do tratamento um e do tratamento quatro.</div><div><br></div><div>HTH</div><div>--</div><div>Cesar Rabak</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Mar 9, 2018 at 7:38 PM, fúlvia cristina oliveira via R-br <span dir="ltr"><<a href="mailto:r-br@listas.c3sl.ufpr.br" target="_blank">r-br@listas.c3sl.ufpr.br</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:times new roman,new york,times,serif;font-size:16px"><div><div style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif"">Alguém
pode ajudar a interpretar esses dados de sáida ?????</span><br></div><div style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:blue"><br></span></div><div style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:blue">>
kruskal.test(`Gnho comp`~trat,data = dados_biometria)</span></div>
<p class="m_5163154575006065951ydpd0c1848cMsoNormal" style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydpd0c1848cMsoNormal" style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> Kruskal-Wallis rank sum test</span></p>
<p class="m_5163154575006065951ydpd0c1848cMsoNormal" style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydpd0c1848cMsoNormal" style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">data: Gnho comp by trat</span></p>
<p class="m_5163154575006065951ydpd0c1848cMsoNormal" style="margin-bottom:0.0001pt;line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">Kruskal-Wallis
chi-squared = 9.2833, df = 3, p-value = 0.02575</span></p>
<pre style="line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span class="m_5163154575006065951ydpd0c1848cgghfmyibcpb"><span style="font-family:"Lucida Console";color:blue"> </span></span></pre><pre style="line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span class="m_5163154575006065951ydp795a861egghfmyibcob"><span style="font-family:"Lucida Console";color:blue">library(dunn.test)</span></span><span style="font-family:"Lucida Console";color:black"></span></pre><pre style="line-height:11.25pt;background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial"><span class="m_5163154575006065951ydp795a861egghfmyibcob"><span style="font-family:"Lucida Console";color:blue">dunn.test (`Gnho comp`, trat, method="none", kw=TRUE, label=TRUE,wrap=FALSE, table=TRUE, list=FALSE, rmc=FALSE, alpha=0.05, altp=FALSE)</span></span><span style="font-family:"Lucida Console";color:blue"></span></pre>
<p class="m_5163154575006065951ydp795a861eMsoNormal"><span style="color:#00b050"> </span></p>
<table class="m_5163154575006065951ydp795a861eMsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="background-image:initial;background-position:initial;background-size:initial;background-repeat:initial;background-origin:initial;background-clip:initial">
<tbody><tr bgcolor="#eee" style="background-color:rgb(238,238,238)">
<td valign="top" style="padding:0cm 0cm 6.0pt 4.5pt">
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">
Kruskal-Wallis rank sum test</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">data: Gnho comp and trat</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">Kruskal-Wallis chi-squared = 9.2833,
df = 3, p-value = 0.03</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> Comparison of Gnho
comp by trat </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> <wbr> (No
adjustment) <wbr>
</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">Col Mean-|</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">Row Mean | 1 2 3</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">---------+--------------------<wbr>-------------</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">
2 | -2.350456</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> |
0.0094*</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> |</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">
3 | -0.581890 1.776074</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> |
0.2803 0.0379</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> |</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">
4 | 0.547899 2.861896
1.122280</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> |
0.2919 0.0021* 0.1309</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">alpha = 0.05</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black">Reject Ho if p <= alpha/2</span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
<p class="m_5163154575006065951ydp795a861eMsoNormal" style="margin:0px;line-height:normal"><span style="font-size:10.0pt;font-family:"Lucida Console";color:black"> </span></p>
</td>
</tr>
</tbody></table><br></div><div><br></div><div class="m_5163154575006065951ydpcb0524f8signature"><div style="font-size:16px"><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9288" style="font-weight:bold;text-align:center"><font face="verdana, helvetica, sans-serif" id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9500" size="2">Fúlvia Cristina Oliveira </font></div><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9288" style="font-weight:bold;text-align:center"><font face="verdana, helvetica, sans-serif" id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9631" size="2">Bióloga - UFMS <font color="#660000" id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9289" style="line-height:normal"><b id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9290"> </b></font></font></div><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9291" style="text-align:center"><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9292" style="font-size:13px;line-height:normal"><font id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9293" face="verdana, helvetica, sans-serif">Mestre em Zootecnia - UEMS</font></div><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9292" style="font-size:13px;line-height:normal"><span style="font-family:verdana,helvetica,sans-serif">(67) 99610-2812</span></div><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9304" style="font-size:13px;line-height:normal"><font face="verdana, helvetica, sans-serif" id="m_5163154575006065951ydp84b9747dyui_3_16_0_ym19_1_1487097228402_9672">(67) 9129-6612</font></div><div id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9304" style="font-size:13px;line-height:normal"><font face="verdana, helvetica, sans-serif" id="m_5163154575006065951ydp84b9747dyiv4089832421yui_3_16_0_ym19_1_1487096421210_9659"><a href="mailto:fulcris@yahoo.com.br" target="_blank">fulcris@yahoo.com.br</a></font></div></div></div></div></div></div><br>______________________________<wbr>_________________<br>
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