Hello Everyone. I have upgraded R version to R.0.3 and rstan compilation keeps giving me the error. Note, that I have tried all the steps given in: R 4.0, rstan, and you , I have updated all the supporting packages. Deleted older versions of rtools and installed Rtools40. I get two error messages when trying to compile stan file:
1) Error in open.connection(con, open = mode) : Could not resolve host: github.com In addition: Warning messages: 1: In readLines(file, warn = TRUE) : incomplete final line found on 'F:\1191\eterin\OrderingIV\mtsmtrmiv.stan' 2: In system(paste(CXX, ARGS), ignore.stdout = TRUE, ignore.stderr = TRUE) : 'C:/rtools40/usr/mingw_/bin/g++' not found 2) Error in compileCode(f, code, language = language, verbose = verbose) : cc1plus.exe: fatal error: \Balder/users/eterin/R/win-library/4.0/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp: No such file or directorycompilation terminated.make: *** [C:/PROGRA~1/R/R-40~1.3/etc/x64/Makeconf:229: fileb14475603c26.o] Error 1 Error in sink(type = "output") : invalid connection
Is there anything else I can do except deleting old makevar.win files or renaming and updating stan and stanheaders? I would greatly appreciate your help.