I have a mysql table named tbl_member with the following datas
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mem_id fullname username refrl
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我在R A分类数据帧如下: Cat_0 Cat_1 Cat_2 Cat_3 Cat_4
Baby Travel Bath Towels Age 0-1
Baby Travel Bath Towels Age 1-2
Baby Travel Box NA NA
Baby Chairs Sit NA NA
Animals Horse Rider Safety Chaps
Anima