This is the output of a small script I use for teaching when running on RSrudio Cloud. The same problem is solved on my Xubuntu 18.04 by allowing to write and execute files in the /tmp directory (sorry I forgot to mention that before, although it was clear from the shell command) . Thank you!
library(brms)
Loading required package: Rcpp
Loading required package: ggplot2
Loading 'brms' package (version 2.7.0). Useful instructions
can be found by typing help('brms'). A more detailed introduction
to the package is available through vignette('brms_overview').
Run theme_set(theme_default()) to use the default bayesplot theme.
dat <- read.csv("SocInfExperiment.csv")
dat$status <- relevel(dat$status, ref="low")
summary(dat)
distance social.influence status
Min. :1.970 no :148 low :191
1st Qu.:2.690 yes:153 high:110
Median :3.090
Mean :3.135
3rd Qu.:3.490
Max. :5.170
bm <- brm(distance ~ social.influence * status, dat)
Compiling the C++ model
Error in compileCode(f, code, language = language, verbose = verbose) :
Compilation ERROR, function(s)/method(s) not created! In file included from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/BH/include/boost/smart_ptr/shared_ptr.hpp:28:0,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/BH/include/boost/shared_ptr.hpp:17,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat/fun/LDLT_factor.hpp:7,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat/err/check_ldlt_factor.hpp:6,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat.hpp:33,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/rev/mat.hpp:12,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math.hpp:4,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-libr
In addition: Warning message:
In system(cmd, intern = !verbose) :
Error in compileCode(f, code, language = language, verbose = verbose) :
Compilation ERROR, function(s)/method(s) not created! In file included from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/BH/include/boost/smart_ptr/shared_ptr.hpp:28:0,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/BH/include/boost/shared_ptr.hpp:17,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat/fun/LDLT_factor.hpp:7,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat/err/check_ldlt_factor.hpp:6,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/prim/mat.hpp:33,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math/rev/mat.hpp:12,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-library/3.5/StanHeaders/include/stan/math.hpp:4,
from /home/rstudio-user/R/x86_64-pc-linux-gnu-libr
Error in sink(type = "output") : invalid connection