一、详细解读0. 数据导入导入自带数据集: webuse nlswork.dta,clear1. 前期处理设置面板: xtset idcode year, delta(1) panel variable: idcode (unbalanced) time variable: year, 68 to 88, but with gaps del…
These pre-treatment variables include age (age), years of education (education), marital status (married), lack of a high school diploma (nodegree), race (black, hispanic), indicator variables for unemployment in 1974 (u74) and 1975 (u75), and real earnings in 1974 (re74) and 1975 (...
in a single step, estimate parameters using the imputed datasets, and combine results. Fit a linear model, logit model, Poisson model, hierarchical model, survival model, or one of the many other supported models. Use themicommand, or let the Control Panel interface guide you through your ent...
Theremapstrategy in example2bapplies to circumstances where we want to combine tables with different row or column variables and those variables have the same set of values. Now let’s go back to example2a. What if we would like to put the two two-way tables ...
菜单:Data-Combine datasets-Merge two datasets或Data-Combine datasets-Merge multiple datasets 程序:先看使用数据:use “文件路径和名称”,sort 关键变量名,save“文件路径和名称”,replace; 再看主要数据,use“文件路径和名称”,sort关键变量名; 最后,合并数据:merg 9、e 关键变量名 using “文件路径和名称”...
1 Stata入门 五大功能:数据管理、统计分析、图形制作、矩阵运算和程序设计。界面:Command(命令)、Results(结果)、Review(回顾)、Variables(变量)。菜单基本功能:文件（File）、编辑（Edit）、偏好（Prefs，用户界 面设置菜单）、数据（Data，数据的基本处理、描述、排序、改变变量、生成新变量、整合数据、拆分数据等）...
twoway (scatter price sqft) /// /* 基本的点 */ (line priceq sqft, /// /* 折线 */ sort lwidth(medthick)) /*设定线的厚度 */ graph save br_quad3, replace //保存图片 graph combine "br_quad1" "br_quad2" "br_quad3"
graph twoway scatterplots, line plots, etc graph save save graph to disk graph matrix scatterplot matrices graph use redisplay graph stored on disk graph bar bar charts graph display redisplay graph stored in memory graph dot dot charts graph combine combine multiple graphs graph box box-and-whi...
1、stata基本操作review:历史窗口,记录自启动stata以来执行过的命令command:命令窗口,在这里输入要执行的命令。results:结果窗口,显示执行命令后的输出结果variables:变量窗口,记录目前stata内存中的所有变量properties:性质窗口,显示当前数据文件和变量的性质1.操作界面2.数据导入 data - data editor - data editor(edit)...
(*表示需要前期进行面板数据设定);* see tsset. Notice that only a single unit number can be specified. If the intervention of interest affected several units the user may chose to combine these units first and then treat them as a single unit affected by the intervention.(表示一次只能一个地区...