想要把每年的数据按RFD1_a和 RFD2_a排序(RFD1_a和 RFD2_a是省级数据),然后按顺序编号,同Province下的公司是同样的编号。例如所有湖南的公司在2014年的RFD1_a编号都是3(湖南的RFD1_a2014年在全国的排序为第3位)。如何操作呢?请指教。谢谢!
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str9 code int year str6 Province double(RFD1_a RFD2_a)
- "430433.OC" 2018 "山东" 1 .1
- "430434.OC" 2014 "广东" 1.1 .1
- "430434.OC" 2015 "广东" 1.2 .2
- "430434.OC" 2016 "广东" 1.3 .2
- "430434.OC" 2017 "广东" 1.3 .2
- "430434.OC" 2018 "广东" 1.4 .2
- "430437.OC" 2014 "广东" 1.1 .1
- "430437.OC" 2015 "广东" 1.2 .2
- "430437.OC" 2016 "广东" 1.3 .2
- "430437.OC" 2017 "广东" 1.3 .2
- "430437.OC" 2018 "广东" 1.4 .2
- "430438.OC" 2014 "江苏" 1.1 .1
- "430438.OC" 2015 "江苏" 1.1 .1
- "430438.OC" 2016 "江苏" 1.2 .2
- "430438.OC" 2017 "江苏" 1.2 .1
- "430438.OC" 2018 "江苏" 1.2 .1
- "430440.OC" 2014 "广东" 1.1 .1
- "430440.OC" 2015 "广东" 1.2 .2
- "430440.OC" 2016 "广东" 1.3 .2
- "430440.OC" 2017 "广东" 1.3 .2
- "430440.OC" 2018 "广东" 1.4 .2
- "430447.OC" 2014 "湖南" .8 .1
- "430447.OC" 2015 "湖南" .8 .1
- "430447.OC" 2016 "湖南" .9 .1
- "430447.OC" 2017 "湖南" .9 .1
- "430447.OC" 2018 "湖南" 1 .1
- "430448.OC" 2014 "重庆" 1.4 .2
- end
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