表如下所示(只列出了一部分的变量)实际有一百多个变量
rs4970403 TT TT TT TT TT TT TT TT TT TT
rs12563338 AA AA AT TT AA TT AT AA AA AA
rs4486391 AT TT AT TT AA AT AT AT AT AA
rs897635 AT TT AT AA AT AT AA AT AA AT
rs2981868 TT AT TT AT AT AA AA AT AT TT
rs2455109 AA AT AT AT AT AT TT AT AT AT
rs2455136 TT TT AT TT TT TT TT TT TT TT
rs4648378 AA AA AA AT AA AT AA AA TT AT
如何对没行的TT AA AT分别计数