<pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">     [,1] [,2]<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[1,]    9   10<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[2,]   11   12<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[3,]   13   14<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[4,]   15   16<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">           valuesC<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[1,]  9 10      17<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[2,] 11 12      18<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[3,] 13 14      19<o:p></o:p></span></pre><pre style="margin:4.2pt;background:white"><span style="font-size:11.0pt;color:black">[4,] 15 16      20<o:p></o:p></span></pre>

<o:p> how to change the row header to 1, 2, 3. in the above output row header is not appearing for two columns. kindly guide.</o:p>