Here is an interesting idea, can you have a prescriptive approach in selecting a right chart for your storytelling? In this article https://www.kdnuggets.com/2021/02/telling-great-data-story-visualization-decision-tree.html the author suggests that a simple decision tree can help you in guiding your choices. https://youtu.be/LW-50zDTteQ I found the approach to be very interesting, albeit not all branches of the decision tree … Continue reading Decision Tree for Data Visualizations?
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)
I have already done a video/post on how to implement a static drop down navigation, so in this tutorial I will cover how to implement a dropdown navigation where options are dynamically populated based on the identity of the user. https://youtu.be/wcNYHmCMEuA The Power BI desktop file used in this tutorial can be downloaded here. The … Continue reading Dynamic Dropdown Navigation in PowerBI
I suspect that many of you have looked at the title of this video and immediately thought that I was just being silly and provocative. And, generally speaking, you would be right as I do enjoy a fair amount of silly and provocation every now and then. However, in this case, even though I do … Continue reading Is Snowflake One Bad Quarter Away from Being Microsoft Power BI Biggest Threat?
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
Wanted to do a quick video on how to use Power BI Best Practices Analyzer using Tabular Editor. There was a great blog post on it here: https://powerbi.microsoft.com/en-us/blog/best-practice-rules-to-improve-your-models-performance/ that covered a lot of details on what best practices were there to be aware of as well as the tool itself. However, the article seemed to … Continue reading Power BI Best Practices Analyzer in Tabular Editor
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