Dear,

I am writing you following a rather old post I found here<https://stat.ethz.ch/pipermail/r-help/2006-May/105142.html> where Ronggui Huang mentions some code I could probably use.

Currently, I am in the process of doing panel data regressions in R and I am using the plm package which works fine. However, that package seems to be incompatible with the 'effects' package which I need to graphically represent marginal effects. Could you share those functions you mention with me, or show me where I can find information on using lme4 and nlme for panel data. I have been going through the R help files and the package-specific pdfs but there is no mention of panel data or longitudinal data anywhere in those.

Kind Regards,

Simon Schillebeeckx
PhD Resource-Constrained Innovation
http://imperial.academia.edu/SimonSchillebeeckx
Imperial College Business School
+44 7780 788 610
s.schillebeeckx11@imperial.ac.uk



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