Can you please tell me how can i merge two cells in R . for example, merge two cellls containing A

Division Gender HiredNot_Hired Total%Hiredodd A Male 690 422 1112 62.051.64 Female 120 26 146 82.194.62 Male 476 279 755 63.051.71 Female 23 11 34 67.652.09 Male 162 276 438 36.990.59 Female 272 527 799 34.040.52 Male 186 376 562 33.100.49 Female 177 329 506 34.980.54 Male 71 186 257 27.630.38 Female 127 403 530 23.960.32 Male 30 473 503 5.960.06 Female 32 427 459 6.970.07