Why does data need a massage?

A bird-eye overview of the basic principles of data transformation

This post is a part of the “Analytics for startup” series so it might be helpful to the ones who just started figuring out how to build their own BI solution. I tried to answer the most common question that I frequently hear at the beginning of the BI implementation stage. Why do we need to do any data transformation? A very fair question …

business intelligence data data analysis data science data transformation data warehouse