In any analytical or business intelligence (BI) project, data preparation is crucial. It might also be the longest part of a project—exhausting and sometimes tedious. However, the success of a project heavily depends on data preparation.
To appropriately prepare it for the project target, you need to know your data. Besides knowing the variables’ distributions, you need to know the business meaning of your variables. It is always a good idea to have a subject expert available. Only with subject knowledge can create ...
