By Stuart Box
Cloud DAX Excel Online Training Power BI in Practice Training Virtual Classrooms 29th April 2020
All our Courses are now available as "Live Online Training", here's what you need to know. In a "Social Distancing" world we can't gather together in groups for Training. So how can organisations keep their skills current when we can't get together in the same room? The answer is with Live Online Training.Read More→ Read More
By Stuart Box
Cloud DAX Learning Online Training Power BI in Practice Virtual Classrooms 8th April 2020
We have many years' experience of training people how to use Microsoft Power BI. Up to now our training has all been face-to-face, either as open public courses in London or private on-site training. Obviously due to the current coronavirus restrictions this type of course is not possible, so we're launching Live Online PowerBI training. Having had experience in online training in the past we're confident that this will provide a first-class learning experience in these difficult times. What is… Read More
By Alison Box
DAX Power BI in Practice 16th March 2020
I thought this would be an easy blog. Not much to say about using Power BI's Conditional Formatting. All it does is make visuals look more appealing by using pretty colours based on the data's values. How wrong I was! In fact there's so much to say that I've had to resort to a mini contents page using outline numbering and links to the relevant paragraphs. In fact, just like the old days of writing user manuals! So here goes… Read More
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By Alison Box
DAX Power BI in Practice 22nd January 2020
We've often been asked if it's possible to group the results of a DAX measure into numeric ranges. For example, to group a Total Sales measure for each Customer into various numeric ranges, sometimes referred to as "bins". The answer is, yes it is, as you can see from the screenshot below:- In this screenshot, we can see that we have five customers whose Total Sales fall between 150,000 and 199,999 in 2019. How did I do this? Firstly, my… Read More
2 Responses
By Alison Box
DAX Microsoft Power BI in Practice 20th January 2020The Key Influencers visual, introduced in February 2019, is Microsoft's first visual that uses "Machine Learning" to identify factors that influence the outcome of a particular metric. "Wow", I thought! The idea of leaving Power BI to do all the hard work in analysing my data seemed too irresistible to ignore, so I gave way to temptation and decided to give it a go. On the one hand, it's a very simple visual to construct (it only has 3 buckets;… Read More
1 Response
By Alison Box
DAX Power BI in Practice 18th November 2019Recently I was asked by one of our clients to solve this question; how could they calculate the number of days between customers' transactions? Clearly, in order to do this calculation, you would need to find the transaction date that was previous to the transaction date sitting in the current row. You could then subtract the earlier date from the later date and return the days between them. It occurred to me, that such a calculation could have a more… Read More
5 Responses
By Stuart Box
DAX Learning Power BI in Practice Training 16th September 2019
This week we're delighted to announce the availability of our new advanced Power BI courses. We offer a full range of courses to take users from their first look a Power BI to advanced topics such as Apps, Row-Level-Security and CALCULATE and FILTER in DAX. Read this post to find out about these new courses and see which one is right for you.Read More→ Read More
By Alison Box
DAX Power BI in Practice 31st July 2019
If you're building a DataModel in Power BI, and creating relationships between tables you may have come upon this message. What the heck does "Cardinality Many-Many" mean? And what is the "Significantly different behaviour" they're warning me about here? In this post I set out to find out what these Many-to-Many relationships mean and how they work. The answer is complicated, but worth understanding if you want to create efficient data models in Power BI. Two Types of Many-to-Many Relationship… Read More
By Alison Box
DAX Power BI in Practice 19th May 2019Ever wanted to find which are your best or worst customers or best or worst products by a metric such as Total Sales? Finding a simple TopN or BottomN (e.g. Top 10 Customers) in Power BI Desktop couldn't be easier; just use the TopN Filter:- But what about finding Top 10 Percent of a value like Total Sales? As the number of our customers or our products grows over time, finding a simple Top 10 or Bottom 10 of a… Read More
By Burningsuit
DAX 21st November 2018
Data Analysis Expressions, known as DAX, is the Function language that is used to solve data analysis problems in Power BI. DAX is used in the much the same way that you use Formulas to solve analysis problems in Excel. These expressions, when used in Measures, analyse our data by applying or removing specific filters from the data, filters that would be difficult to accomplish with the normal filtering tools in Power BI such as Slicers and Visual Level Filters.… Read More
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