Re: [R] 3d scatterplot with error bars

From: hadley wickham <>
Date: Wed, 6 Feb 2008 10:41:38 -0600

> Is there anyway to produce a 3D scatterplot with error bars in the x,y,z
> directions? I have searched around and know of scatterplot3d but did
> not see any way to put error bars on the points. Any ideas?

It may be possible, but do you think that's the best solution for your problem? Given that any 3d plot must be projected into two dimensions, how on earth will people be able to compare the relative magnitude in each direction or between points?

One could imagine drawing error ellispoids (since you might as well include covariance information as well) but I would imagine that the tight connection between the view of the data and the two-D projection of the ellipsoid (representing a particular linear combination of the x, y and z errors) would make it very difficult to see what's going on. Not to mention the difficulties with near points obscuring far points, etc etc.



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Received on Wed 06 Feb 2008 - 16:44:32 GMT

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