So Stata is not letting me do a rank sum test for more than 3 groups with the command: ranksum score if outcome~=1, by(outcome). Does anyone know how I can use the ranksum command for more than 3 groups in Stata?
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.
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