duplicates drop month day carrier, force 掉落缺失 提醒:如果要保留 以下示例中的原始数据集。 keepif!missing(dest) * Requires: ssc inst missings missings dropvars, force missings air_time dest, force 修改创建新变量gen dist_sq = distance^2 gen tot_delay = dep_delay + arr_delay gen first_le...
. drop if missing(q1_) . rename q1_ q1 resulting in +---+ | id rank q1 sex | |---| 1. | 1 1 R male | 2. | 1 2 others male | 3. | 2 1 R female | 4. | 2 2 S-Plus female | 5. | 2 3 Stata female | |---| 6. | 3 1 Stata male | 7. | 4 1 SAS fem...
1. 多变量水平柱状图(Horizontal bar with multiple variables) 2. 两变量柱状图(Bar plot of two variables) 3. 两轴组合柱状图(Combined bar plots with two axes) 4. 并排水平柱状图(Side by side horizontal bar plot)(基于命令betterbar) 5. 两变量堆积柱状图(Stack bar graph by two variables) 6. 并排...
Dropmissing vs dropmissing but not extended missing values. Allow keeping both variable names and labels ingreshape spread/gather Implementselectoverflow(missing|closest) Add totals row forJ > 1in gstats Improve debugging info. Implementcollapse()option forgreshape. ...
. drop if missing(health, edyrs, income, race, woman, age). sgmediation2 health, iv(edyrs) mv(income) cv(i.race i.woman age)Model with dv regressed on iv (path c) regress health edyrs i.race i.woman age, vce() --- health | Coefficient Std. err. t P>|t| [95% conf. int...
drop if debt > total_assets drop if primary_business_revenue < 0 ___ drop if n < 10 [A]. by year nindcd: egen n = count(year) [B]. bys year nindcd: egen n = count(year) [C]. by year nindcd: egen n = sum(year) [D]. bys year nindcd: egen n = sum(year) (...
Stata数据的读入 log文件。创建文件：logusing“文件路径和名称”，其后带append表示在原有文件的基础上增加新内容，其后带replace表示取代原记录文件；暂停：logoff；再次开始：logon；关闭：logclose。数据的存储空间：增加存储空间（setmem40m）清空存储空间（clear，相当于dropall）。Stata数据的读入 数据的读入：可...
update replace missing data in memory with data from filename replace replace nonmissing data in memory with data from filename nokeep drop observations in using dataset that do not match nosummary drop summary variables when multiple filenames are specified * unique match variables uniquely identif...
Customizable tables in Stata 17, part 6: Tables for multiple regression models 2 September 2021Chuck Huber, Director of Statistical OutreachNo comments Tweet In mylast post, I showed you how to create a table of statistical tests using thecommand()option in the new and improvedtablecommand. In...
S458918 MIMPT: Stata module to impute missing values and persist in case of non-convergence by Daniel Klein S458917 QREGPLOT: Stata module for plotting coefficients of a Quantile Regression by Fernando Rios-Avila S458916 TVGC: Stata module to perform Time-Varying Granger Causality tests ...