Re: [R] 3d plot of earth with cut

2020-10-22 Thread aBBy Spurdle , ⍺XY
> It should be a 2D slice/plane embedded into a 3D space.

I was able to come up with the plot, attached.
My intention was to plot national boundaries on the surface of a sphere.
And put the slice inside.
However, I haven't (as yet) worked out how to get the coordinates for
the boundaries.

Let me know, if of any value.
And I'll post the code.
(But needs to be polished first)
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Re: [R] 3d plot of earth with cut

2020-10-22 Thread aBBy Spurdle , ⍺XY
If you have "value" as a function of latitude and radius, isn't that a
2D (not 3D) scalar field?
Which can be plotted using a regular heatmap.

If you want a curved edge where depth=0 (radius=?), that's not too
difficult to achieve.
Not quite sure what continent boundaries mean in this context, but
that could possibly be added to.

Or do you want a 2D slice superimposed within a 3D space?

And if so, does it need to be dynamic?
(i.e. Rotate the whole thing, with a trackball/mouse).

Note that the further you go down the list above, the more work is required.


On Fri, Oct 23, 2020 at 7:41 AM Balint Radics  wrote:
>
> Hello,
>
> Could someone suggest a package/way to make a 3D raster plot of the Earth
> (with continent boundaries), and then make a "cut" or "slice" of it such
> that one can also visualize some scalar quantity as a function of the
> Radius/Depth across that given slice ?
>
> Formally, I would have a given, fixed longitude, and a list of vectors
> {latitude, radius, Value}
> that would show the distribution of the quantity "Value" at various depths
> and latitudes in 3D.
>
> Thanks a lot in advance,
> Balint
>
> [[alternative HTML version deleted]]
>
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Re: [R] degrees of freedom does not appear in the summary lmer :(

2011-08-14 Thread xy
Thank you guys!

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[R] degrees of freedom does not appear in the summary lmer :(

2011-08-13 Thread xy
Hi ,

Could someone pls help me about this topic, I dont know how can i extract
them from my  model!!

Thanks,

Sophie

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[R] lme4 help pls!

2011-08-03 Thread xy
Hi,
I have some difficulties to work with the function lmer from lme4. My
responses are binary form  and i want to use forward selection to my 12
covariates but i dont know how can I choose them based on deviance. Can
someone pls give me a example so i can apply. For example my covariates are
gestation,smoking ...and my response baby

b1=lmer(baby~ (1|id), data, binomial)

Thanks.

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[R] Model selection

2011-08-03 Thread xy
 Dear List, 
I have some difficulties to work with the function lmer from lme4. My
responses are binary form  and i want to use forward selection to my 12
covariates but i dont know how can I choose them based on deviance. Can
someone pls give me a example so i can apply. For example my covariates are
gestation,smoking ...and my response baby 

b1=lmer(baby~ (1|id), data, binomial) 

i will appreciate any help.thankss

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[R] inside p value 'e'

2011-07-24 Thread xy
Hi could some one please tell me what can identfy my numbers ?
I have like 5.075e-12 , 3.207e-05, 7.438e-07 and 9.393e-08 *** , i dont know
what number they are correspond to? help pls!!

thanks

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Re: [R] inside p value 'e'

2011-07-24 Thread xy
Thank you :)

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