[R] How to create a table with borders?

[killerkarthick]

Hi......
            I tried to create a table with borders. But I am not able to
create. I tried to use *latex()* function but it showing in a different
please help me to create tables?

the output comes  as follows.... 
> rdata
   subject sex condition before after    change
1        1   F   placebo   10.1   6.9 31.683168
2        2   F   placebo    6.3   4.2 33.333333
3        3   M   aspirin   12.4   6.3 49.193548
4        4   F   placebo    8.1   6.1 24.691358
5        5   M   aspirin   15.2   9.9 34.868421
6        6   F   aspirin   10.9   7.0 35.779817
7        7   F   aspirin   11.6   8.5 26.724138
8        8   M   aspirin    9.5   3.0 68.421053
9        9   F   placebo   11.5   9.0 21.739130
10      10   M   placebo   11.9  11.0  7.563025
> tab<-tabular( (condition + 1) ~ (n=1) + Format(digits=2)*
+   (before + after)*(mean + sd), data=rdata )
> tab
                                    
              before      after     
 condition n  mean   sd   mean  sd  
 aspirin    5 11.9    2.1  6.9   2.6
 placebo    5  9.6    2.4  7.4   2.6
 All       10 10.8    2.4  7.2   2.5
> latex(tab)
\begin{tabular}{lccccc}
\toprule
 &  & \multicolumn{2}{c}{before} & \multicolumn{2}{c}{after} \\
\cmidrule(lr){3-4}\cmidrule(lr){5-6}
condition  & n & mean & sd & mean & sd \\ 
\midrule
aspirin  & $\phantom{0}5$ & $11.9$ & $\phantom{0}2.1$ & $\phantom{0}6.9$ &
$\phantom{0}2.6$ \\
placebo  & $\phantom{0}5$ & $\phantom{0}9.6$ & $\phantom{0}2.4$ &
$\phantom{0}7.4$ & $\phantom{0}2.6$ \\
All  & $10$ & $10.8$ & $\phantom{0}2.4$ & $\phantom{0}7.2$ &
$\phantom{0}2.5$ \\
\bottomrule 
\end{tabular}
>




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