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Specialized on Data processing, Data management Implementation plan, Data Collection tools - electronic and paper base, Data cleaning specifications, Data extraction, Data transformation, Data load, Analytical Datasets, and Data analysis. BJ Data Tech Solutions teaches on design and developing Electronic Data Collection Tools using CSPro, and STATA commands for data manipulation. Setting up Data Management systems using modern data technologies such as Relational Databases, C#, PHP and Android.

Creating lags of many variables all at once
Creating lags of many variables all at once

How can I efficiently create new variables for lags of many variables in my dataset?
Say for example that I have the variables: cons inv out ae exp rev int oph lpt , and I do not want to create lags for each one separately (such as gen lag_cons=lag.cons, etc.) because it will take time especially if I have to do that for nearly 20 variables...

I tried :

Code:

local X cons inv out ae exp rev int  oph lpt
gen lag`X'=lag.`X'

But I get error message that lag operator is invalid.

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Creating lags of many variables all at once

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