Having trouble when testing my RStan configuration

I’m trying to setup Stan before the workshop at Calvin College next week but running into trouble.

Following the instructions on RStan Getting Started · stan-dev/rstan Wiki · GitHub, I’ve downloaded the packages and run the following code for the schools example. But I’m getting the earlier message at the bottom. Please help!

pkgbuild::has_build_tools(debug = TRUE)
[1] TRUE
library(“rstan”) # observe startup messages
options(mc.cores = parallel::detectCores())
rstan_options(auto_write = TRUE)
Sys.setenv(LOCAL_CPPFLAGS = ‘-march=native’)
#model ← stan_demo()
schools_dat ← list(J = 8,

  •                 y = c(28,  8, -3,  7, -1,  1, 18, 12),
    
  •                 sigma = c(15, 10, 16, 11,  9, 11, 10, 18))
    

fit ← stan(file = ‘8schools.stan’, data = schools_dat)
Error in compileCode(f, code, language = language, verbose = verbose) :
Compilation ERROR, function(s)/method(s) not created! Error in .shlib_internal(commandArgs(TRUE)) :
C++14 standard requested but CXX14 is not defined
Calls: → .shlib_internal
Execution halted
In addition: Warning message:
In system(cmd, intern = !verbose) :
running command ‘C:/PROGRA~1/R/R-36~1.0/bin/x64/R CMD SHLIB file14f84ac373fd.cpp 2> file14f84ac373fd.cpp.err.txt’ had status 1
Error in sink(type = “output”) : invalid connection

Just install the binaries

install.packages("https://win-builder.r-project.org/yBy293t1c6Wo/StanHeaders_2.18.1-9.zip", repos = NULL)
install.packages("https://win-builder.r-project.org/1R86iN7B5NYq/rstan_2.19.1.zip", repos = NULL)
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