Dear Axel,
There only one fixed effect in the model, ns(Days, 3), so I don't know what you
expected.
Best,
John
--------------------------------------
John Fox, Professor Emeritus
McMaster University
Hamilton, Ontario, Canada
Web: socialsciences.mcmaster.ca/jfox/
> -----Original Message-----
> From: Axel Urbiz <axel.ur...@gmail.com>
> Sent: Friday, May 15, 2020 5:33 PM
> To: Fox, John <j...@mcmaster.ca>; R-help@r-project.org
> Subject: "effects" package with "lme4"
>
> Hello John and others,
>
> I’d appreciate your help as I’m trying to plot the effect of predictor
> “Days” on Reaction by Subject. I’m only getting one plot in the example
> below.
>
> ### Start example
>
> library(lme4)
> library(splines)
> data("sleepstudy")
>
> fm1 <- lmer(Reaction ~ ns(Days, 3) + (ns(Days, 3) | Subject), sleepstudy)
> coef(fm1)
> plot(allEffects(fm1))
>
> ### End example
>
> Thanks,
> Axel.
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