| 组 别 |  经 常 |  偶 尔 |  从 不 饮 用 |  合 计 | 
|  肝 癌 组 | 26 | 44 | 28 | 98 | 
|  健 康 组 | 28 | 49 | 17 | 94 | 
|  合 计 | 54 | 93 | 45 | 192 | 
这些数据如何输入才能达到下列效果
tab2   group  custom,  row chi2
| -> tabulation of group by custom                                                              | custom                                                                    group |                   1          2          3           |     Total                         -----------+--------------------------------------------+----------                                     1 |  ①            26         44         28         |      98                                        |  ②         26.53      44.90      28.57    |    100.00                         -----------+--------------------------------------------+----------                                     2 |  ③            28         49         17         |        94                                        |  ④         29.79      52.13      18.09    |    100.00                         -----------+--------------------------------------------+----------                               Total |  ⑤            54         93         45          |       192                                        |  ⑥          28.12      48.44      23.44    |    100.00                                   Pearson chi2(2) =   2.9497   Pr = 0.229                                |