Today, I gave my first in-person presentation since the pandemic. It was awesome! I was talking about the study I performed with Nabeel Sulieman about data visualization in environments that use right-to-left writing systems. I wrote about this study in the past [one, two]. Today, you may find the results of our study at http://direction-matters.com/. […]
An example of a very bad graph Nature Medicine is a peer-reviewed journal that belongs to the very prestigious Nature group. Today, I was reading a paper that included THIS GEM. These two graphs are so bad. It looks as if the authors had a target to squeeze as many data visualization mistakes as possible […]

Haifa on Friday. Street art, atmosphere, food.

How do you properly select a colormap for a graph? What makes the rainbow color map a wrong choice, and what are the proper alternatives? Today, I stumbled upon a lengthy post that provides an in-depth review of the theory behind our color perception. The article concentrates on quantitative colormaps but also includes information relevant to […]

TL;DR War stories and pieces of advice from the high tech industry veteran. I read this book following recomendations by Reem Sherman, the host of the excellent (!!!) podcast Geekonomy (in Hebrew). Ben Horowitz is a veteran manager and entrepreneur who found the company Opsware, which Hewlett-Packard acquired in 2007. This book describes Horotwitz’s journey […]
מחשבה אחת על “רעיון 7. רובוטים מנהלים אותנו. על ניהול אלגוריתמי עם ד״ר ליאור זלמנסון”