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Hello,
I'm learning a lot about PowerBI and its components. I do like the power of Power Query as far as transforming data and cleaning it up. But this also adds complexity to things.
Very curious to hear what @ImkeF and @Greg_Deckler have to say on the matter.
Thank you
Hi @ericOnline ,
You may refer to the links below learning how to transform data in Power BI.
Tutorial: Shape and combine data in Power BI Desktop
Transform, shape, and model data in Power BI - documentation
You may try to improve the performance for the data model, see Power BI performance best practices , Power BI Performance Tips and Techniques.
Best Regards,
Amy
Community Support Team _ Amy
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
As always, it depends.
But in most cases, if you can do the transformations at the source: Do it.
Also: Dataflows are a very good alternative to use M-language and manage those transformations centrally.
Many options...
Imke Feldmann (The BIccountant)
If you liked my solution, please give it a thumbs up. And if I did answer your question, please mark this post as a solution. Thanks!
How to integrate M-code into your solution -- How to get your questions answered quickly -- How to provide sample data -- Check out more PBI- learning resources here -- Performance Tipps for M-queries
Thank you @ImkeF for the response. I will research Dataflows as a way to simplify and centralize transformations.
@amitchandak and @v-xicai ,
Thank you for the reference material. I'm more looking for experience from professional PowerBI devs on where they draw the line in regards to transformations done in PowerQuery and at the source. Also how to make Power BI code more maintainable for the long-term.
Refer: https://docs.microsoft.com/en-us/power-query/power-query-quickstart-using-power-bi
https://docs.microsoft.com/en-us/powerquery-m/
https://docs.microsoft.com/en-us/powerquery-m/quick-tour-of-the-power-query-m-formula-language
https://www.howtoexcel.org/power-query/m-code/
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