Price Volume Mix (PVM) calculation is one of the most popular topics on my blog and YouTube channel. Although, I have covered the DAX for the perfect PVM before, I have gotten a lot of requests to extend the PVM logic to include a separate bucket for discontinued products as well as new products. You … Continue reading Price Volume Mix (PVM) Calculation in Power BI with New and Discontinued Products (Power BI Dax Tutorial)
Have you ever tried to display your North American or European states on a map only to find that one or more of them have suddenly moved to Latin America or Africa? I know that I run into this issue all the time. In this video I will give you two strategies to make the … Continue reading How to Fix Power BI Map Geocoding Issues
I have decided to spend some more time on Market Basket Analysis, but before I get into the storytelling part of it, I had to clean up and fix a few things in the model file for the Market Basket Analysis that I created a few years ago. https://youtu.be/3OlZuXH9Y_g Market Basket Analysis is very important … Continue reading Market Basket Analysis (Power BI DAX Tutorial)
Steven Franconeri, a Kellogg School of Management professor, has written a good article "4 keys to Effective – and Honest – Data Visualizations". I thought that he made some solid points; however, I strongly disagree with his opinion about what makes a chart honest or dishonest. https://youtu.be/E6A0cry7PUw As you look at the global temperature trend … Continue reading What Kellogg Professor Got Wrong about Effectiveness and Honesty in Data Visualizations
I have to warn you, this is NOT a level 100 or even 200 tutorial. If you decided to proceed, that you absolutely positively have to get that progressive calculation work and I will have to assume that your DAX is pretty good, otherwise you would not be even attempting to tackle this problem. Also, … Continue reading Progressive Discount (Tax or Commission) Calculation (Power BI DAX Tutorial)
Now, before we get into it, I have to admit that I am somewhat of a Data Science sceptic. Not that I do not believe in Data Science, quite the opposite, I think it is a critical field in data analytics world that will eventually mature enough to be the dominant force in insight generation. … Continue reading We Don’t Need Data Scientists?!?
I found this interesting chart on Datawrapper.de and it made me think about how (and whether) my chart selections also changed over time. https://youtu.be/NV5QeQdnv1Y (Datawrapper is a pretty cool tool that allows users to upload their data and create pretty stunning visualizations) In this chart, Datawrapper has analyzed changes in distribution of chart styles selected … Continue reading How Good are Your Chart Choices?
I have to admit that up until recently I have been oblivious to this topic myself. I am not a graphics designer, but I have always tried to pay attention to the esthetics of my reports/charts; picking colors and palettes was something that I would spend a considerable amount of time obsessing about. A short … Continue reading Tools to Check If Your Reports are Color-Blind People Friendly
Constant currency analysis is very popular when we need to take out FX rate fluctuations from our analysis. There are many different methodologies that companies used for determining what constant FX rate to apply to the historical values. In our tutorial, we will take a look at the time window for our analysis, figure out … Continue reading Constant Currency Analysis (Power BI DAX Tutorial)
Unfortunately, life is hard and in BI world we are guaranteed to fail with our Data Persuasion every now and then. Having failed with my BI presentations many a time, I decided to write this article and frame up my top five reasons why I did and also suggest a few things for what you … Continue reading Data Persuasion with BI: Top 5 Reasons Your Last Presentation was a FAIL