SAS-L archives -- November 2004, week 3 (#225)

Date:         Wed, 17 Nov 2004 18:47:30 -0500
Reply-To:     Zhonghe Li <zli@HSPH.HARVARD.EDU>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Zhonghe Li <zli@HSPH.HARVARD.EDU>
Subject:      how to do contrast with linear spline
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<a name="IDX"></a>
<table class="SysTitleAndFooterContainer" width="100%" cellspacing="1" cellpadding="1" rules="none" frame="void" border="0" summary="Page Layout">
<tr>
<td class="c SystemTitle">pap - Binomial Piecewise Linear GEE Model for Balanced Sample/ar(1)</td>
</tr>
</table><br>
<div class="c ProcTitle">The GENMOD Procedure</div>
<p>
<div>
<div align="center">
<table class="Table" cellspacing="1" cellpadding="7" rules="groups" frame="box" border="1px" bordercolor="#000000" summary="Procedure Genmod: Criteria For Assessing Goodness Of Fit">
<colgroup>
<col>
<col>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class=" b Header" colspan="4" scope="colgroup">Criteria For Assessing Goodness Of Fit</th>
</tr>
<tr>
<th class="l b Header" scope="col">Criterion</th>
<th class="r b Header" scope="col">DF</th>
<th class="r b Header" scope="col">Value</th>
<th class="r b Header" scope="col">Value/DF</th>
</tr>
</thead>
<tbody>
<tr>
<th class="l RowHeader" scope="row">Deviance</th>
<td class="r Data">1653</td>
<td class="r Data">404697.6786</td>
<td class="r Data">244.8262</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">Scaled Deviance</th>
<td class="r Data">1653</td>
<td class="r Data">1653.0000</td>
<td class="r Data">1.0000</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">Pearson Chi-Square</th>
<td class="r Data">1653</td>
<td class="r Data">366408.5839</td>
<td class="r Data">221.6628</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">Scaled Pearson X2</th>
<td class="r Data">1653</td>
<td class="r Data">1496.6070</td>
<td class="r Data">0.9054</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">Log Likelihood</th>
<td class="r Data">&nbsp;</td>
<td class="r Data" nowrap>-7373.2451</td>
<td class="r Data">&nbsp;</td>
</tr>
</tbody>
</table>
</div>
</div>
<br>
<a name="IDX1"></a>
<div>
<div align="center">
<table class="Table" cellspacing="1" cellpadding="7" rules="groups" frame="box" border="1px" bordercolor="#000000" summary="Procedure Genmod: Analysis Of GEE Parameter Estimates - Empirical Std Errors">
<colgroup>
<col>
<col>
<col>
<col>
<col>
<col>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class=" b Header" colspan="8" scope="colgroup">Analysis Of GEE Parameter Estimates</th>
</tr>
<tr>
<th class=" b Header" colspan="8" scope="colgroup">Empirical Standard Error Estimates</th>
</tr>
<tr>
<th class="l b Header" scope="col">Parameter</th>
<th class=" HeaderEmpty" scope="col">&nbsp;</th>
<th class="r b Header" scope="col">Estimate</th>
<th class="r b Header" scope="col">Standard Error</th>
<th class=" b Header" colspan="2" scope="colgroup">95% Confidence Limits</th>
<th class="r b Header" scope="col">Z</th>
<th class="r b Header" scope="col">Pr&nbsp;&gt;&nbsp;|Z|</th>
</tr>
</thead>
<tbody>
<tr>
<th class="l RowHeader" scope="row">Intercept</th>
<td class=" Data">&nbsp;</td>
<td class="r Data">0.0444</td>
<td class="r Data">0.1465</td>
<td class="r Data" nowrap>-0.2428</td>
<td class="r Data">0.3316</td>
<td class="r Data">0.30</td>
<td class="r Data">0.7618</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st1</th>
<td class=" Data">&nbsp;</td>
<td class="r Data">0.0120</td>
<td class="r Data">0.0308</td>
<td class="r Data" nowrap>-0.0484</td>
<td class="r Data">0.0723</td>
<td class="r Data">0.39</td>
<td class="r Data">0.6979</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">interv</th>
<td class=" Data">1</td>
<td class="r Data" nowrap>-1.0123</td>
<td class="r Data">0.2049</td>
<td class="r Data" nowrap>-1.4139</td>
<td class="r Data" nowrap>-0.6106</td>
<td class="r Data" nowrap>-4.94</td>
<td class="r Data">&lt;.0001</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">interv</th>
<td class=" Data">0</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st1*interv</th>
<td class=" Data">1</td>
<td class="r Data">0.0469</td>
<td class="r Data">0.0358</td>
<td class="r Data" nowrap>-0.0233</td>
<td class="r Data">0.1172</td>
<td class="r Data">1.31</td>
<td class="r Data">0.1906</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st1*interv</th>
<td class=" Data">0</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st2</th>
<td class=" Data">&nbsp;</td>
<td class="r Data">0.0555</td>
<td class="r Data">0.0180</td>
<td class="r Data">0.0202</td>
<td class="r Data">0.0907</td>
<td class="r Data">3.08</td>
<td class="r Data">0.0020</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st2*interv</th>
<td class=" Data">1</td>
<td class="r Data">0.0512</td>
<td class="r Data">0.0241</td>
<td class="r Data">0.0040</td>
<td class="r Data">0.0983</td>
<td class="r Data">2.13</td>
<td class="r Data">0.0334</td>
</tr>
<tr>
<th class="l RowHeader" scope="row">st2*interv</th>
<td class=" Data">0</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">0.0000</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
</tr>
</tbody>
</table>
</div>
</div>
<br>
<a name="IDX2"></a>
<div>
<div align="center">
<table class="Table" cellspacing="1" cellpadding="7" rules="groups" frame="box" border="1px" bordercolor="#000000" summary="Procedure Genmod: ESTIMATE Statement Results">
<colgroup>
<col>
</colgroup>
<colgroup>
<col>
<col>
<col>
<col>
<col>
<col>
<col>
</colgroup>
<thead>
<tr>
<th class=" b Header" colspan="8" scope="colgroup">Contrast Estimate Results</th>
</tr>
<tr>
<th class="l b Header" scope="col">Label</th>
<th class="r b Header" scope="col">Estimate</th>
<th class="r b Header" scope="col">Standard Error</th>
<th class="r b Header" scope="col">Alpha</th>
<th class=" b Header" colspan="2" scope="colgroup">Confidence Limits</th>
<th class="r b Header" scope="col">Chi-Square</th>
<th class="r b Header" scope="col">Pr&nbsp;&gt;&nbsp;ChiSq</th>
</tr>
</thead>
<tbody>
<tr>
<th class="l RowHeader" scope="row">st1*interv vs. st2*interv</th>
<td class="r Data">Non-est</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
<td class="r Data">.</td>
</tr>
</tbody>
</table>
</div>
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