处理软件:Stata16
观测值数量:56215
变量个数:13
包含变量说明:
序号 | 变量 | 说明 |
1 | id | 证券代码 |
2 | id_org | 证券代码-字符串 |
3 | year | 年份 |
4 | Stknme | 证券简称(补全) |
5 | Markettype | 市场类型-股票市场交易子库 |
6 | ABSign10 | AB股标识-上市公司贷款子库-数值型 |
7 | Aonly | 是否仅发行A股 |
8 | Audittyp | 审计意见类型-数值型 |
9 | AuditOpin | 审计意见-上市公司贷款子库-数值型 |
10 | big4 | 是否四大事务所审计 |
11 | Auditor | 审计师 |
12 | Dadtunit | 境内审计事务所 |
13 | DadtunitID | 境内审计事务所ID |
各年度观测值:
年份 | Freq. | Percent | Cum. |
1990 | 8 | 0.01 | 0.01 |
1991 | 13 | 0.02 | 0.04 |
1992 | 53 | 0.09 | 0.13 |
1993 | 180 | 0.32 | 0.45 |
1994 | 290 | 0.52 | 0.97 |
1995 | 321 | 0.57 | 1.54 |
1996 | 529 | 0.94 | 2.48 |
1997 | 744 | 1.32 | 3.8 |
1998 | 852 | 1.52 | 5.32 |
1999 | 949 | 1.69 | 7.01 |
2000 | 1,086 | 1.93 | 8.94 |
2001 | 1,169 | 2.08 | 11.02 |
2002 | 1,236 | 2.2 | 13.22 |
2003 | 1,296 | 2.31 | 15.52 |
2004 | 1,390 | 2.47 | 18 |
2005 | 1,392 | 2.48 | 20.47 |
2006 | 1,469 | 2.61 | 23.08 |
2007 | 1,582 | 2.81 | 25.9 |
2008 | 1,627 | 2.89 | 28.79 |
2009 | 1,784 | 3.17 | 31.97 |
2010 | 2,134 | 3.8 | 35.76 |
2011 | 2,369 | 4.21 | 39.98 |
2012 | 2,497 | 4.44 | 44.42 |
2013 | 2,543 | 4.52 | 48.94 |
2014 | 2,655 | 4.72 | 53.67 |
2015 | 2,851 | 5.07 | 58.74 |
2016 | 3,140 | 5.59 | 64.32 |
2017 | 3,518 | 6.26 | 70.58 |
2018 | 3,617 | 6.43 | 77.02 |
2019 | 3,829 | 6.81 | 83.83 |
2020 | 4,290 | 7.63 | 91.46 |
2021 | 4,802 | 8.54 | 100 |
Total | 56,215 | 100 |
变量缺失值情况:
Variable | Missing | Total | Percent Missing |
id | 0 | 56,215 | 0 |
id_org | 0 | 56,215 | 0 |
year | 0 | 56,215 | 0 |
Stknme | 28 | 56,215 | 0.05 |
Markettype | 79 | 56,215 | 0.14 |
ABSign10 | 165 | 56,215 | 0.29 |
Aonly | 79 | 56,215 | 0.14 |
Audittyp | 237 | 56,215 | 0.42 |
AuditOpin | 821 | 56,215 | 1.46 |
big4 | 237 | 56,215 | 0.42 |
Auditor | 1,667 | 56,215 | 2.97 |
Dadtunit | 240 | 56,215 | 0.43 |
DadtunitID | 241 | 56,215 | 0.43 |
数据展示: