Data Preparation; First and Foremost Important Task in Power BI

I’ve talked about Data Preparation many times in conferences such as PASS Summit, BA Conference, and many other conferences. Every time I talk about this I realize how much more I need to explain this. Data Preparation tips are basic, but very important. In my opinion as someone who worked with BI systems more than Read more about Data Preparation; First and Foremost Important Task in Power BI[…]

Warning! Misleading Power Query Filtering

Filtering in Power Query component of Power BI is easy, however it can be misleading very easily as well. I have seen the usage of this filtering inappropriately in many cases. Many people simply believe in what they see, rather than seeing behind the scenes. Power Query filtering is totally different when you do basic Read more about Warning! Misleading Power Query Filtering[…]

Custom Functions Made Easy in Power BI Desktop

I have written a lot about Power Query M scripting language, and how to create custom functions with that. With recent updates of Power BI Desktop, creating custom functions made easier and easier every month. This started with bringing Parameters few months ago, and adding source query for the function in November update of Power Read more about Custom Functions Made Easy in Power BI Desktop[…]