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06 Jul

Power BI Copilot, AI Instructions And Preventing The Use Of Implicit Measures

In yet another entry in my series on what you should be doing in Power BI Copilot AI Instructions, in this post I want to address the most difficult (in terms of deciding what to do, rather than how to do it) topic: whether you should allow the creation of implicit measures. A quick recap … Continue reading Power BI Copilot, AI Instructions And Preventing The Use Of Implicit Measures →

By Chris Webb AI Instructions, Copilot , Fabric comments Read More
29 Jun

Data Validation In Power BI Copilot AI Instructions

Here’s yet another post in my series on things I think you should be doing in Power BI Copilot AI Instructions. Today: validating values that users enter as filters in their prompts. It’s something of a companion piece to last week’s post about helping users understand what data is and isn’t in the semantic model, … Continue reading Data Validation In Power BI Copilot AI Instructions →

By Chris Webb AI Instructions, Copilot , Fabric comments Read More
22 Jun

Power BI Copilot AI Instructions: Helping Users Understand The Scope Of The Data

Continuing my series of posts on Power BI Copilot and the type of things you should be including in AI Instructions, today I want to talk about helping the end user understand the scope of the data: what data your model does contain, what data it could contain but doesn’t, and what data it could … Continue reading Power BI Copilot AI Instructions: Helping Users Understand The Scope Of The Data →

By Chris Webb AI Instructions, Copilot , Fabric comments Read More
15 Jun

Grouping And Filtering In Power BI Copilot AI Instructions

Continuing my series on Power BI Copilot AI Instructions (see also my previous post which is the only other one so far), in this post I’d like to show some examples of how you can specify groups of columns and apply row filters in the results returned by Copilot. Using the same semantic model that … Continue reading Grouping And Filtering In Power BI Copilot AI Instructions →

By Chris Webb AI Instructions, Copilot , Fabric comments Read More
08 Jun

Requiring Selections On The Date Dimension In Power BI Copilot AI Instructions

Without a doubt the most important new feature in Power BI Copilot is AI Instructions: it opens up an immense number of possibilities but it also starts off as a blank slate, which raises the question of what you should do with this feature as much as how you should do it. The official documentation … Continue reading Requiring Selections On The Date Dimension In Power BI Copilot AI Instructions →

By Chris Webb AI Instructions, Copilot , Power BI comments Read More
01 Jun

Finding Reports And Semantic Models Easily With Power BI Copilot Search

By the time you read this it’s likely the new, standalone Power BI “Chat with your data” experience will be available in your tenant. I just enabled it in the tenant the Fabric CAT team uses for testing purposes, located in the West Europe region, after the option to do so appeared yesterday. If you’re … Continue reading Finding Reports And Semantic Models Easily With Power BI Copilot Search →

By Chris Webb Copilot, Fabric , Power BI comments Read More
25 May

Generating Sample Data With Copilot In Fabric Dataflows Gen2

As a Power Query fan I’m naturally interested in Copilot in Dataflows Gen2. But since Power Query is already very easy to use and since I’m pretty experienced at using it, can Copilot really do anything to help me be more productive? Well one thing I need to do a lot for blog posts, demos … Continue reading Generating Sample Data With Copilot In Fabric Dataflows Gen2 →

By Chris Webb Copilot, Dataflows , Fabric comments Read More
18 May

Performance Implications Of Different Ways Of Fully Expanding A Power BI Matrix Visual

If you have a Power BI report with a matrix visual on it it’s quite likely that you’ll want all the levels in the matrix to be fully expanded by default. But did you know that the way you expand all the levels could have performance implications, especially if you’re using DirectQuery mode? Here’s an … Continue reading Performance Implications Of Different Ways Of Fully Expanding A Power BI Matrix Visual →

By Chris Webb DirectQuery, Performance Tuning , Power BI comments Read More
11 May

Finding Events Linked To A Specific Power BI Visual In Fabric Workspace Monitoring

Over the last few years one topic I have blogged about several times is how to link the detailed data about DAX query execution that can be found in Log Analytics – and now Workspace Monitoring – to the visual in a Power BI report that generated those DAX queries, something that is extremely useful … Continue reading Finding Events Linked To A Specific Power BI Visual In Fabric Workspace Monitoring →

By Chris Webb Fabric, Power BI , Workspace Monitoring comments Read More