Decision Tree for Data Visualizations?

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?

Is Snowflake One Bad Quarter Away from Being Microsoft Power BI Biggest Threat?

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?

What Kellogg Professor Got Wrong about Effectiveness and Honesty in Data Visualizations

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

Power BI Best Practices Analyzer in Tabular Editor

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

Progressive Discount (Tax or Commission) Calculation (Power BI DAX Tutorial)

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)

How Good are Your Chart Choices?

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?