I'm using Orange Canvas and I generated a scatter plot. I have the possibility to jitter continuous variables but I really don't know why would I do that.

What's the idea behind jittering?


1 Answer 1


This post explains it well.

Often when you have a lot of overlapping points it can be hard to get a sense for their density. Two thousand points at (1, 1) appear the same as one point at (1, 1). Adding some jitter turns overlapping points into a smear and makes the density of points obvious.

  • 1
    $\begingroup$ Isn't it about discrete data, whereas the question explicitly asks about continuous data? $\endgroup$
    – amoeba
    Commented Dec 25, 2016 at 12:42
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    $\begingroup$ Adding to what @amoeba said this answer is correct when you add that that the continuous data we deal with is rounded due to measurement precision and so problems like described above occur. $\endgroup$
    – Tim
    Commented Dec 25, 2016 at 23:21

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