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.
Wednesday, April 1, 2020
Randomly drop obs
Hello,
I need to drop randomly a 15% observation of one variable. There is a code to do that?.
I only have 3 variables, so I don't wanna sort and drop, it has to be random.
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