POWER BI -DATA MODELLING ,RELATIONSHIPS AND JOINS
INTRODUCTION Power BI is a powerful platform where raw data is collected from various sources , cleaned, analyzed and presented in interactive dashb…
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JCars Logistics Analysis: Data Preparation, Modelling, and Business Insights
Introduction A Power BI dashboard is only as reliable as the data behind it. For the JCars Logistics project, the starting point was not a clean ana…
Your data model is where uncertainty goes to die
The sensor knew how much to trust itself. Our database column did not have room for that, so we threw it away on the way in. Everything arrives with…
Understanding Schemas, Relationships, and Data Modeling in Power BI.
Introduction Importing data into Power BI is only the beginning of the analytics process. A dashboard is only as reliable as the data model behind i…
Filtered should never mean deleted
We shipped a filter that threw away bad GPS readings. Months later somebody asked whether it was working, and I could not answer. The evidence was g…