要显示为平均值的数据列,而不是范围内的值 代码语言:javascript 复制 data['family_income'] 0 <17,500, >=15,000 1 <27,500, >=25,000 2 <30,000, >=27,500 3 <15,000, >=12,500 4 <30,000, >=27,500 ... 10150 <30,000, >=27,500 10151 <25,000, >=22,500 10152 >=35,000...