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<br /><br /><p><span style="line-height: 1.5;"><br></span></p><p><span style="line-height: 1.5;">-xtbalance-命令已经发布到了stata官方网站,可以通过如下命令查询和下载了:</span></p>
<div>&nbsp;&nbsp;&nbsp; findit xtbalance</div>
<div>&nbsp;&nbsp;&nbsp; ssc install xtbalance, replace</div>
<p><font color="#3c3cc4"><strong>(多谢 </strong><u><font color="#2200cc">Boston College</font></u><strong> 的 K. Baum 教授代为发布</strong><u><font color="#2200cc" size="3"> </font></u><strong>)</strong></font></p>
<p><strong><font color="#3c3cc4"></font></strong>&nbsp;</p>
<p><strong><font color="#3c3cc4">[2008.08.23] </font></strong></p>
<p><strong><font color="#3c3cc4">更新说明:此前发布的xtbalance命令存在一些bug,现已修订,且运行速度提高了10倍。</font></strong></p>
<p><strong><font color="#3c3cc4">详细范例参见 第16楼。</font></strong></p>
<p><strong><font color="#3c3cc4"></font></strong>&nbsp;</p>
<p></p>
<p>帮助文件:</p>
<p><font face="宋体">---------------------------------------------------------------<br><strong>help for xtbalance</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;version 2.01<br>---------------------------------------------------------------</font></p>
<p><font face="宋体">Trans the dataset into balance Panel Data</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xtbalance, range(numlist) [ miss(varlist) ]</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; You must tsset your data before using xtbalance; see help tsset.</font></p>
<p><br><font face="宋体"><strong>Description</strong></font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; xtbalance Trans the unbalanced Panel Data into balanced Panel Data with sample range specified by option range.</font></p>
<p><br><font face="宋体"><strong>Options</strong></font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; range(numlist) specifies sample range to be transfored.&nbsp; numlist must be two integers and specified in ascending order.</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; miss(varlist) forces to drop the observations if any one of the variable in varlist has missing value.</font></p>
<p><br><font face="宋体"><strong>Examples</strong></font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; . help xtbalance</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; . xtbalance , range(1998 2005)</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; . xtbalance , range(1998 2005) miss(invest market)</font></p>
<p><font face="宋体">&nbsp;&nbsp;&nbsp; . xtbalance , rang(1978 1982) miss(_all)</font></p>
<p><br><font face="宋体"><strong>For problems and suggestions</strong></font></p>
<p><br><font face="宋体">&nbsp;&nbsp;&nbsp; Author: Yujun,Lian (Arlion) Department of Finance, Lingnan College, Sun Yat-Sen University.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; E-mail: </font><a href="mailto:arlionn@163.com"><font face="宋体">arlionn@163.com</font></a><font face="宋体">.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Blog: </font><a href="http://blog.cnfol.com/arlion"><font face="宋体">http://blog.cnfol.com/arlion</font></a><font face="宋体">.</font><br></p><p><font face="宋体"><br></font></p><p><font face="宋体"><br></font></p><hr class="l"><div style="color: rgb(0, 0, 0); font-family: 微软雅黑; widows: auto;"><div>&nbsp; &nbsp;&nbsp;<font color="#c00000" style="background-color: inherit;">&nbsp;连老师</font><font color="#0070c0" style="background-color: inherit;">stata</font><font color="#c00000" style="background-color: inherit;">课程</font>:<a href="http://www.peixun.net/author/3.html" style="cursor: pointer; color: rgb(0, 0, 0);">http://www.peixun.net/author/3.html</a><br style="background-color: inherit;"></div><span style="background-color: inherit;">&nbsp; &nbsp; &nbsp;</span><span style="background-color: inherit;"><font color="#c00000" style="background-color: inherit;">连老师</font><font color="#0070c0" style="background-color: inherit;">优酷</font><font color="#c00000" style="background-color: inherit;">视频:</font></span>&nbsp;<span style="color: rgb(85, 85, 85); font-family: 'Microsoft YaHei', 微软雅黑;"><a href="http://i.youku.com/arlion" style="background-color: inherit; cursor: pointer;">http://i.youku.com/arlion</a></span><br style="background-color: inherit;"></div><div style="color: rgb(0, 0, 0); font-family: 微软雅黑; widows: auto;"><p style="margin-top: 5px; margin-bottom: 5px; font-family: 幼圆;"><font style="background-color: inherit;"><font style="background-color: inherit;"><font face="微软雅黑" style="background-color: inherit;"><font color="#c00000" style="background-color: inherit;">&nbsp; &nbsp;&nbsp;&nbsp;Stata现场培训-</font><font color="#0070c0" style="background-color: inherit;">初级</font><font color="#c00000" style="background-color: inherit;">班【New, 四天,北京】</font></font><a href="http://www.peixun.net/view/307_detail.html" target="_blank" style="cursor: pointer; background-color: inherit;"><font face="微软雅黑" style="background-color: inherit;">http://www.peixun.net/view/307_detail.html</font></a></font></font></p><p style="margin-top: 5px; margin-bottom: 5px; font-family: 幼圆;"><font style="background-color: inherit;"><font style="background-color: inherit;"><font face="微软雅黑" style="background-color: inherit;"><font color="#c00000" style="background-color: inherit;">&nbsp; &nbsp;&nbsp;&nbsp;Stata现场培训-</font><font color="#0070c0" style="background-color: inherit;">高级</font><font color="#c00000" style="background-color: inherit;">班【New, 四天,北京】</font></font><font face="微软雅黑" style="background-color: inherit; color: rgb(51, 102, 153);"><a href="http://www.peixun.net/view/308_detail.html" target="_blank" style="cursor: pointer; background-color: inherit;">http://www.peixun.net/view/308_detail.html</a></font></font></font></p></div>
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