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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 a sum variable which depends on 2 other variables
Creating a sum variable which depends on 2 other variables

Hello!

I am currently working on a panel dataset containing, amongst others, the variables "companies", "year" (2010-2018), "sector" (arbitrary 4 digit number), and "net sales". Now,
I want to generate a new variable, namely, the sum of the net sales for all individual companies in each corresponding sector and the corresponding year.

I tried to find a command, however, I was unsuccessful.

Can anyone help me out?

Thank you in advance!

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Creating a sum variable which depends on 2 other variables

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Home / Data Cleaning / Data management / Data Processing / Creating a sum variable which depends on 2 other variables Creating a sum variable which depends on 2 other variables

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