That is to say: a graph with multiple feature variables showing different ellipses plots for class groups. What do the ellipses actually tell us? How are the ellipses graphed? What does overlap among ellipses mean? What basic graphing theory techniques are ellipse graphs based on?
I look at ellipse graphs and just think: huh – it looks like clustering but I know it isn’t clustering. I have no idea what this is saying and it is awful confusing.
[Example](https://machinelearningmastery.com/machine-learning-in-r-step-by-step/)
Scroll to section 4.2. The first plot there is the one I am asking about.
In: Mathematics
Can you link an example of the type of graph you’re talking about? You seem to be talking about some specific type of graph, and I’m not familiar with the term, or the field where it’s used. This sounds like something in either statistics or data science?
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