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Thread: Is there an algorithm to find a concentration of points?

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    Default Is there an algorithm to find a concentration of points?

    Hi, I was wondering if there was an algorithm that would help me locate a concentration of elements in a cartesian plane, I mean their locations are too close together, it would be easier to explain with a picture, but I am unable to upload an image.
    Let's say there are a lot of elements in the plane and I want to draw a circle with a diameter of 3 units enclosing at least 3 elements, the algorithm should tell me where that circle should be drawn.

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    Default Re: Is there an algorithm to find a concentration of points?

    Check out Principal Component Analysis

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    Default Re: Is there an algorithm to find a concentration of points?

    Quote Originally Posted by AngleWyrm View Post
    Check out Principal Component Analysis
    I don't get it, can you explain me pls?

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    Default Re: Is there an algorithm to find a concentration of points?


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    Default Re: Is there an algorithm to find a concentration of points?

    Quote Originally Posted by AngleWyrm View Post
    I mean, how can I apply it to what I want?, yeah, at the end of the video show how to apply it, but only visually, and I wanna the program tell me where is that cluster of points.

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    Default Re: Is there an algorithm to find a concentration of points?

    At the end I just find the mode of the x and y values of the points and search there if is a concentration, its correct?

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