[R] BCa confidence bands around fitted curves MARS regression

[Bert Gunter]

Presumably the "earth" package lacks this functionality ...?

So, obvious query: did you try using the boot package? If not, why
not? If so, show us the code that failed.

Or am I missing the point?

Cheers,
Bert


Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Sun, Sep 25, 2016 at 12:19 PM, varin sacha via R-help
<r-help at r-project.org> wrote:
> Dear R-experts,
>
> I have fitted a MARS regression and am trying now to plot/draw the BCa confidence bands around the 3 fitted curves (QUALITESANSREDONDANC, competitivite and innovation).
>
>
> Here is the reproducible example.
>
>
> ############################
>
> Dataset = data.frame(PIBparHab=c(43931,67524,48348,44827,52409,15245,24453,57636,28992,17102,51495,47243,40908,22494,12784,48391,44221,32514,35132,46679,106022,9817,99635,38678,49128,12876,20732,17151,19670,41053,22488,57134,83295,10660),
>
> QUALITESANSREDONDANCE=c(1082.5,1066.6,1079.3,1079.9,1074.9,1008.6,1007.5,1111.3,1108.2,1109.7,1059.6,1165.1,1026.7,1035.1,997.8,1044.8,1073.6,1085.7,1083.8,1021.6,1036.2,1075.3,1069.3,1101.4,1086.9,1072.1,1166.7,983.9,1004.5,1082.5,1123.5,1094.9,1105.1,1010.8),
>
> competitivite=c(89,83,78,73,90,71,77,85,61,67,98,82,70,43,57,78,72,79,61,71,86,63,90,75,87,64,60,56,66,80,53,91,97,62),
>
> innovation=c(56,52,53,54,57,43,54,60,47,55,58,62,52,35,47,59,56,56,45,52,58,33,57,57,61,40,45,41,50,61,50,65,68,34))
>
> install.packages("earth")
>
> library(earth)
>
> newdata=na.omit(Dataset)
>
> model=earth(PIBparHab ~ QUALITESANSREDONDANCE + competitivite + innovation,data=newdata, penalty=-1)
>
> summary(model)
>
> plot(model)
>
> plotmo(model)
>
>
> ############################
>
> Best Regards,
> S
>
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