variable id does not uniquely identify the observations Your data are currently wide. You are performing a reshape long. You specified i(id) and j(year). In the current wide form, variable id should uniquely identify the observations. Remember this picture: long wide +---+ +---+ | i j...
1. 命令简介 展示回归分析的结果是应用统计分析的重要组成部分。esttab命令是由瑞士波恩大学社会学研究所(University of Bern, Institute of Sociology)的 Ben Jann 教授编写的Stata用户外部命令,主要用于生成满足用户需求的回归表格(Display formatted regression table),这类命令已经成为量化实证分析中的基础性技能,...
format x1 %10.3f ——将x1的列宽固定为10,小数点后取三位 format x1 %10.3g ——将x1的列宽固定为10,有效数字取三位 format x1 %10.3e ——将x1的列宽固定为10,采用科学计数法 format x1 %10.3fc ——将x1的列宽固定为10,小数点后取三位,加入千分位分隔符 format x1 %10.3gc ——将x1的列宽固定为...
/* Change price in first record as 5: toolbar edit mode*/ replace price = 5000 in 1 /* Data -> Describe data -> Describe data in memory or in a file */ describe/*su var,d*/ /* Data -> Variable Manager */ /* Change the format of the make variable to str20 */ recast str...
目录 收起 Stata看点 文献来源 数据来源 清洗数据 得到结果 相关数据 Stata看点 逐年构造高低组 文献来源 Schweizer等(2019)定义公司治理指数(Corporate Governance Index)为以下9个指标的和: Equals 1 if the age of the chairman of firm i in fiscal year t is less than the mean value of the sample...
,数据的转换(reshape),数据的结构: 宽数据(wide format) 长数据(long format) 菜单: Data-Create or change vari 10、ables-Other variable transformation commands-Convert data between wide 按变量x的分类,生成一张其取值图histogram x,discrete; 箱线图。 按变量x的分类,生成变量y的箱线图: graph box y,...
frame change auto . sysuse auto (1978 automobile data) 可以复制框架并重命名框架: . frame copy auto auto1 . frame rename auto1 cars 数据集和包含它们的帧的名称可能不同。此外,即使内存中有多个帧,也可以一次交互处理一个帧(当前帧)。您可以使用pwf(打印工作框架)识别当前框架: . pwf (current frame...
. frame change auto . sysuse auto (1978 automobile data) 可以复制框架并重命名框架: . frame copy auto auto1 . frame rename auto1 cars 数据集和包含它们的帧的名称可能不同。此外,即使内存中有多个帧,也可以一次交互处理一个帧(当前帧)。您可以使用pwf(打印工作框架)识别当前框架: ...
associated p-values, and the 95% confidence interval of the coefficients. Bothgreandgpaare statistically significant, as are the three indicator variables forrank. The logistic regression coefficients give the change in the log odds of the outcome for a one unit increase in the predictor variable...
•generate for creating new variables.It has a minimum abbreviation of g.•replace for replacing the values of an existing variable.It may not be abbreviated because it alters existing data and hence can be considered dangerous.The most basic form for creating new variables is generate newvar...