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I cannot get a plot for the effects I get from a fixed-effects model in plm. I tried using effect(), predict() and all kinds of packages like sjPlot, etc. Is there a way of plotting it, especially also with interactions?

I always get error messages like:

Error in mod.matrix %*% scoef : non-conformable arguments
Helix123
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Alessio
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  • For models produced by `plm::plm()`, there is a `predict` method available since `plm` version 2.6-2. See also this https://stackoverflow.com/a/73426168/4640346 – Helix123 Aug 20 '22 at 11:14

1 Answers1

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Try fixef? For instance, see below:

plm_2 <- plm(wealth ~  Volatility, data = ds_panel,index=c("rho"), model = "within")
y1 <- fixef(plm_2)
x1 <- as.numeric(names(y1))
plot(y1~x1, pch = 20, ylab = "FE", xlab = expression(rho))
majeed simaan
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