So, to test it myself, I added a full-text index to a column containing street names (so therefore fairly short strings) in a semantic model containing data from my favourite public data source, the ...
As a follow-on from last week’s post about the new ApproximateDistinctCount function in DAX, I want to share something I found out from my recent testing for this function: ApproximateDistinctCount is ...
Market basket analysis is a fairly well understood problem for SSAS – it’s best handled using many-to-many relationships, as shown in the excellent The Many-to-Many Revolution white paper. However the ...
When DirectQuery mode for Power BI was announced I assumed it was just the next version of SSAS Tabular DirectQuery mode with the same extra features that we’ll get in SSAS 2016 (such as better SQL ...
Here’s a situation I’ve found myself in many times. You’re called to help someone whose Power BI report is suddenly very slow. You ask whether any changes were made to the semantic model around the ...
There’s so much going on in the Fabric community that it can be hard to keep up with it all. Semantic Link Labs is a great example: in the six months or so since I last had a proper look at it my ...
One of the most common errors you’ll see when working with Power Query in Power BI or Excel is this: It can occur with almost any data source and in a wide variety of different circumstances, and for ...
A few weeks ago I wrote a post on how to improve the results you get from Power BI Copilot by editing the Linguistic Schema. As I mentioned, though, there are in fact lots of different ways that you ...
In my recent post on web services in Power Query I mentioned that while the Power Query Web.Contents() function generates a GET request by default, you can make it generate a POST request by ...
A few weeks ago I wrote about how Semantic Link Labs now has tools with interactive UIs and showed how you could use this to view lineage and so Vertipaq-Analyzer-stuff in a notebook. I didn’t show ...
Last year I blogged about using DAX queries inside SSRS reports but one topic I didn’t touch on was how to handle parameters. Marco wrote a post on using parameters in DAX earlier this year but didn’t ...
There are hundreds of different methods for generating a Date dimension table for use in Power Pivot: you can use TSQL, Excel formulas, import from the DateStream table in the Windows Azure ...