Merge append using stata
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COMANDOS DE STATA REVISADOS EN ESTA CLASE …
www.estebancalvo.com<merge 1:1 varlist using filename.dta [, options]> junta dos bases de datos <append using filename.dta [, options]> junta dos bases de datos <reshape> convierte el formato de la base (ancho o largo) Otros comandos útiles: <tabstat> despliega tabla con estadísticas descriptivas <bysort> repite un comando al interior de subgrupos
Useful Stata Commands for Longitudinal Data Analysis
www.ls3.soziologie.uni-muenchen.deMatching datasets: append appendthe rows of the second file beyond the last row of the first: use ap.dta append using bp.dta ap.dta is the master-file bp.dta is the using-file sort id year Grouping observations of persons together and ordering them by year results in a panel dataset in long-format. Each row is called a “person-year”.
Stata: Software for Statistics and Data Science | Stata
www.stata.comTitle stata.com merge ... append. You use append, for instance, when adding current discharges to past discharges. To link datasets in separate frames, you can use the frlink and frget commands. Linking and merging solve similar problems, and each is better than the other in some ways. You may prefer
Introduction to Stata - LSE
personal.lse.ac.ukPage 6 of 62 Variables Do/Ado - Files Command window Interactive (Menus) Output Save/Export Stata Mata User written Functions Stata Variables Macros Matrices
Time Series - Princeton University
www.princeton.eduIn Stata you need to convert this string variable to a date variable.* A closer inspection of the variable, for the years 2000 the format changes, we need …
Time Series - Princeton University
www.princeton.eduDate variable (example) Time series data is data collected over time for a single or a group of variables. For this kind of data the first thing