I had to struggle with this concept as a physician trying to understand the medical literature. Eventually I came up with my own way of thinking dynamically abo

I had to struggle with this concept as a physician trying to understand the medical literature. Eventually I came up with my own way of thinking dynamically about it. I called this the "two by two diagram". You can find the full text of my articles here: https://www.researchgate.net/profile/Kevin_Johnson40 https://www.researchgate.net/profile/Kevin_Johnson40 As a matter of fact, I would very much like to get this programmed into a Javascript version I can make freely available to people, but am not clear on how to go about getting that done. I have a version in MATLAB but that is not practical for most people.