Have you ever encountered the need to calculate the difference in a measure row compared to the value of the previous row? This is called a Running Difference. A...
Have you ever had the need to create a KPI that represents the # of *dimension* that represents the X% of a *measure*. For example, this happened to a...
Yesterday I was lucky to attend the latest Data+Woman Zurich organized by Annabelle Rincon and Olivia Sliz. In this sweet event, we had the pleasure to be presented with...
Cognitive load is the amount of work the short-term memory has to do to perform a given task. As long as enough memory space is available, tasks are not a problem....
Visualizing data is a powerful way to convey information. But with the same power, consciously or unconsciously, you can also present false information convincingly. These are...
Our sensory memory helps us recognize important information in the world around us at lightning speed. It does this by scanning for pre-attentive features. In a mini-series of...
Our sensory memory helps us recognize important information in the world around us at lightning speed. We do this by scanning for pre-attentive features. In a mini-series of...
Our brain has a wonderful third memory system in addition to short- and long-term memory: sensory memory. In my previous blog, I showed how this memory helps us recall important information at lightning speed and...
Recently I was reworking a Tableau dashboard, making some changes in the design. In the old dashboard, I had used a type of calendar heatmap and I wanted to...