[R] Problem with contrast() - nonconforming number of contrast coefficients

-coefficients Best Luca --- Luca Danieli Ph.D. in music composition University of Birmingham http://www.lucadanieli.org CV: https://bham.academia.edu/LucaDanieli/CurriculumVitae [[alternative HTML version deleted

[R] Information installation package sjPlot

Hi all, I am new. I am installing the library sjPlot on Ubunto 16.10 and I guess it is installing some dependencies. But it is taking more than 1.5 hours, is it possible? It has right now halted (hope momentarily) in installing the package 'rstan', particularly the file lang__grammars__stateme