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Analysing SSAS Extended Event Data With Power Query: Part 2, Storage Engine...
In part 1 of this series I showed how to use Power Query to extract Extended Event data generated by SSAS. Having done that, I now want to show the first (I hope of many) examples of how this data can...
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Using Function.InvokeAfter() In Power Query
Last year I blogged about how to introduce a delay between web service requests in M code. Since then a new function has been added to Power Query which makes this a lot easier: Function.InvokeAfter()....
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Improving Power Query Calculation Performance With List.Buffer()
I saw an interesting post the other day on the Power Query Technet forum which showed how the List.Buffer() function could be used to improve calculation performance. This is something I’d seen hinted...
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Nested Calculations In Power Query
Quite often, in Power Query, you want to ‘nest’ calculations and transformations – apply them not across the whole table, but repeat the same calculation or transformation across multiple groups of...
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Using Excel Slicers To Pass Parameters To Power Query Queries
Power Query is great for filtering data before it gets loaded into Excel, and when you do that you often need to provide a friendly way for end users to choose what data gets loaded exactly. I showed a...
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What’s New In The Excel 2016 Preview For BI?
Following on from my recent post on Power BI and Excel 2016 news, here are some more details about the new BI-related features in the Excel 2016 Preview. Remember that more BI-related features may...
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Benford’s Law And Power Query
Probably my favourite session at SQLBits the other week was Professor Mark Whitehorn on exploiting exotic patterns in data. One of the things he talked about was Benford’s Law, something I first heard...
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Analysing SSAS Extended Event Data With Power Query: Part 1
The other day, while I was reading this post by Melissa Coates, I was reminded of the existence of extended events in SSAS. I say ‘reminded’ because although this is a subject I’ve blogged about...
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Building A Reporting Solution Using Power Query
The video of my SQLBits conference session “Building a reporting solution using Power Query” is now available to view (for free) on the SQLBits website:...
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Power Query Announcements At The PASS BA Conference
There were a couple of big (well, big if you’re a Power Query fan like me) announcements made today by Miguel Llopis at the PASS BA Conference: Today Power Query is available only to people who have...
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Analysing SSAS Extended Event Data With Power Query: Part 2, Storage Engine...
In part 1 of this series I showed how to use Power Query to extract Extended Event data generated by SSAS. Having done that, I now want to show the first (I hope of many) examples of how this data can...
View ArticleClik here to view.
Using Function.InvokeAfter() In Power Query
Last year I blogged about how to introduce a delay between web service requests in M code. Since then a new function has been added to Power Query which makes this a lot easier: Function.InvokeAfter()....
View ArticleClik here to view.
Improving Power Query Calculation Performance With List.Buffer()
I saw an interesting post the other day on the Power Query Technet forum which showed how the List.Buffer() function could be used to improve calculation performance. This is something I’d seen hinted...
View ArticleClik here to view.
Nested Calculations In Power Query
Quite often, in Power Query, you want to ‘nest’ calculations and transformations – apply them not across the whole table, but repeat the same calculation or transformation across multiple groups of...
View ArticleClik here to view.
Working With International Date And Number Formats In Power Query
One problem that can really drive you crazy when working with data from text files is the many different formats that dates and numbers can be stored in around the world. For example, take a look at...
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Drawing Lines On Maps With Power Map And Power Query
Recently, I was working with a customer that wanted to be able to draw lines between two points in Power Map. At the time I thought the only way that it might be possible was by using Power Query to...
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Power Query/Excel 2016 VBA Examples
In Excel 2016, Power Query is no longer an Excel add-in but a native feature of Excel, and what’s more, you can now use VBA to create and manage Power Query queries. I’ve found two sources of...
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Ensuring Columns Are Always Present In A Table Returned By Power Query
Disappearing or renamed columns in your data source can cause all kinds of problems when you’re importing data using Power Query: errors when you try to refresh the query, broken calculations in Power...
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Checking Columns Are Present In Power Query
Something I was meaning to mention in my previous post (but forgot about…) was that in a lot of cases you don’t really care if your output contains all the required columns – it’s enough just to check...
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Running Your Own MDX And DAX Queries In Power BI Desktop
Every time there’s a new release of Power Query or Power BI Desktop, I always check to see if there are any interesting new M functions that have been added (I used #shared to do this, as detailed...
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