[R] Error in Zero inflated model (ziP) with bam

Bert Gunter bgunter.4567 at gmail.com
Mon Nov 6 18:30:06 CET 2017


Do you have the mgcv package installed (I think it's part of the standard
distro, though) /loaded? ziP is there, not in BAM.

Other than that, sorry, no clue.

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 Mon, Nov 6, 2017 at 9:12 AM, Miluji Sb <milujisb at gmail.com> wrote:

> Dear all,
>
> I am trying to use 'bam' to run the following generalized additive model:
>
> ###
> m <- bam(result ~ factor(city) + factor(year) + lnpopulation +
> s(lnincome_pc) + ,data=full_df,na.action=na.omit,family=ziP(theta = NULL,
> link = "identity",b=0))
>
> But getting the following error:
>
> ###
> Error in bam(result :
>   extended families not supported by bam
>
> The documentation for 'bam' mentions the following "This is a family object
> specifying the distribution and link to use in fitting etc. See glm and
> family for more details. The extended families listed in family.mgcv can
> also be used."
>
> The family.mgcv does include ziP. What am I doing wrong? Any guidance will
> be appreciated. Thank you!
>
> Sincerely,
>
> Milu
>
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>
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