[R] Constructing confidence interval ellipses with R

PIKAL Petr petr@p|k@| @end|ng |rom prechez@@cz
Tue Jan 25 15:55:40 CET 2022


something like



> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of Paul Bernal
> Sent: Monday, January 24, 2022 10:24 PM
> To: R <r-help using r-project.org>
> Subject: [R] Constructing confidence interval ellipses with R
> Dear friends,
> I will be sharing a dataset which has the following columns:
> 1. Scenario
> 2. Day of Transit date
> 3. Canal Ampliado
> 4. Canal Original
> Basically, I need to create a scatter plot diagram, with the Canal Ampliado
> column values in the x-axis, and the Canal Original column values in the 
> y-axis,
> but also, I need to create confidence interval ellipses grouping the points 
> on the
> scatterplot, based on the different scenarios.
> So I need to have in one graph, the scatterplot of Canal Ampliado vs Canal
> Original and then, on the same graph, construct the confidence interval 
> ellipses.
> I will attach an image depicting what I need to accomplish, as well as the 
> dataset,
> for your reference.
> Any help and/or guidance will be greatly appreciated.
> Cheers,
> Paul

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