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.
Sunday, April 2, 2023
why the frequency of variables would not change after winsorized?
Unlike the trim, which remove the extreme data, the winsor function would replace the extreme data ( like the 1% smallest or the top 3 highest, bottom 3 lowest) with the data at required percentage.
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