- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str25 code
- "2066,A15295"
- "2066,A15295"
- "2196,600196"
- "2196,600196"
- "2196,600196"
- "2196,600196"
- "2196,600196"
- "2238,601238"
- "2238,601238"
- "2238,601238"
- "2281"
- "2281"
- "2328"
- "2328"
- "2328"
- "2328"
- "2337!1"
- "2337!1"
- "2337!1"
- "2337!1"
- "2337!1"
- "2337!1"
- "2337!1"
- "2337!1"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2600,K3HD,601600,ACH"
- "2607,601607"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2611,601211"
- "2698"
- "2727,601727"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2777,2970!2,A15222"
- "2866,601866"
- "2866,601866"
- "2866,601866"
- "2866,601866"
- "2866,601866"
- "2880,601880"
- "2880,601880"
- "2914!11,0384"
- "2914!11,0384"
- "2934!10,1250"
- "2936!6,0486,R6L,2961!4"
- "2936!6,0486,R6L,2961!4"
- "2976!8,0152"
- "2976!8,0152"
- "300001"
- end
------------------ copy up to and including the previous line ------------------
上面是从wind里下载的“公司债对应上市公司代码”,有两个问题:
一、如"2777,2970!2,A15222" ,代码中出现"!" ,"A” 是什么意思?
二、如果我想只保留上市公司的代码,用stata该如何操作呢?
希望能得到好心人的解答,谢谢!


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