Written Visual Analytics Tutorials

I’ve recently had a fantastic run of totals-based discoveries. I’ll admit – I’ve overlooked the humble Totals feature. At the…

As tradition holds, Playfair Data shares our analytics trends and predictions going into each new year and recaps it by…

What a year 2025 has been! With 29 new written tutorials, 18 new video tutorials, and many public and private…

Understanding human perception, cognition, and psychology is indispensable when it comes to creating successful visual analytics tools. A psychological element…

Okay, I get it. Searching for “Tableau vs. Power BI” leads to over 25 million results in Google, and that…

Feature Engineering is a critical part of any machine learning project.  It is the step of the project where subject…

Oracle Analytics Cloud (OAC) offers a robust set of data connections you can use as an engineer. These range from…

The scatter plot is a chart type that has many uses in visual analytics. They’re used to visualize relationships between…

Biggest movers charts in Power BI are powerful charts that show the performance of dimension members with the largest absolute…

When it comes to comparing discrete categorical values, rarely is there a better choice than the bar chart. Invented by…

Matrix visuals are extremely popular and easy-to-use charts in Power BI. Their familiarity to spreadsheets makes them easy to adopt,…

As far as I’m concerned, boring chart types are always in style. The problem-solving principle of Occam’s Razor states that,…