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.
Thursday, September 29, 2022
Lag of variable with condition of not being misssing
I want to create the lag of a variable with one caveat. If it is missing, I want to use the previous period's value etc. So it is the most frequent non-missing lag. Any ideas?
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