A fellow data analyst asked a question? What do we do when we need to draw a stacked bar chart that has too many colors? How do we select the colors so that they are nice but also are easily distinguishable? To answer this question, let’s look at the data similar to what appeared in […]
Slope charts are often suggested as a valid alternative to clustered bar charts, especially for “before and after” cases. So, instead of a clustered bar char like this we tend to recommend a slope chart (or slope graph) like this However, a slope chart isn’t free of problems either. In the past, I already wrote […]
A radar chart (sometimes called “spider charts”) look cool but are, in fact,pretty lame. So much so that when the data visualization author Stephen Few mentioned them in his book Show me the numbers, he did so in a chapter called “Silly graphs that are best forsaken.” Here, I will demonstrate some of its problems, […]
بعد حوالي سنتين من الدراسة ، بحس حالي جاهز لإضافة اللغة العربية إلى قائمة اللغات في ال-LinkedIn After about two years of study, I feel ready to add Arabic to LinkedIn’s language list
I had the honor to record an introductory data visualization course for high school students as a part of the Israeli national distance learning project. The course is in Hebrew, and since it targets high schoolers, it does not require any prior knowledge. I got paid for this job. However, when I divide the money […]
