在财务中,有时我们会分析 peers 所带来之效果,但要如何认定 peers 呢?边有一个例子与大家方享,简单资料 (可由此取得
https://bbs.pinggu.org/forum.php? ... &page=1#pid54514084)
- * Example generated by -dataex-. To install: ssc install dataex
- clear
- input str6 stkcd str10 reptdt str32 name str62 university str19 investor1 str36 graduate1
- "002255" "2008-06-25" "傅东" "" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "伊恩江" "" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "葛卫东" "扬州大学" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "钱飞舟" "江苏工学院" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "陈华" "" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "张卫兵" "镇江船舶学院" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "惠建明" "" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "徐建新" "河海大学" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "瞿永康" "" "陈孝勇" "哈尔滨工业大学"
- "002255" "2008-06-25" "程建明" "" "陈孝勇" "哈尔滨工业大学"
- "002256" "2008-06-25" "郭健" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "王光明" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "杨学明" "" "单祥双" "厦门大学"
- "002256" "2008-06-25" "杨青坡" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "吴俊峰" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "刘科" "贵州大学" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "陈永弟" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "王平" "厦门大学" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "金立新" "北京理工大学" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "刘浩" "北京科技大学" "刘浩" "北京科技大学"
- "002256" "2008-06-25" "李化春" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "章建鑫" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "沈少玲" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "陈玮" "" "陈玮" "兰州商学院"
- "002256" "2008-06-25" "鄢文彪" "" "陈玮" "兰州商学院"
- "002259" "2008-07-16" "李卫东" "西南财经大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "韩恂" "西南交通大学,成都理工大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "魏建平" "上海国家会计学院" "严明" "华东理工大学"
- "002259" "2008-07-16" "蒋昌华" "西南农业大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "许才能" "兰州大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "蔚献民" "四川广播电视大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "孙晗" "北京理工大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "张昌林" "西南财经大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "杨彬" "北京林业大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "江昌政" "四川大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "邓化民" "东北林业大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "董静涛" "西南财经大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "向中华" "四川大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "晏兵" "西南交通大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "余钢" "中山大学" "严明" "华东理工大学"
- "002259" "2008-07-16" "朱宏耀" "西南财经大学" "严明" "华东理工大学"
- "002266" "2008-08-06" "邵保安" "华中工学院" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "傅友爱" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "史国犹" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "郑怀勇" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "章焕能" "西安理工大学" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "彭建义" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "白福意" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "鲍建江" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "陈富卿" "" "宗佩民" "杭州商学院"
- "002266" "2008-08-06" "余永清" "武汉水利电力学院" "宗佩民" "杭州商学院"
- end
复制代码而程序为 (
感谢 Andrew Musau 之建议)
- destring stkcd, replace
- levelsof stkcd, local(id)
- foreach i in `id' {
- levelsof university if stkcd==`i', local(uid`i')
- levelsof graduate1 if stkcd==`i', local(gid`i')
- local diff`i': list uid`i' - gid`i'
- local present`i': list uid`i'- diff`i'
- local p`i': subinstr local present`i' `" "' `", "', all
- local n`i': word count `p`i''
- }
- foreach i in `id' {
- if `n`i''>0 {
- local wanted "`wanted' `i'"
- local wanted: subinstr local wanted " " ",", all
- }
- }
- gen varwanted = inlist(stkcd, 0.1`wanted')
- list, clean
复制代码