Fehler in sink(type = "output") : ungültige Verbindung

fit <- stan(file = ‘8schools.stan’, data = schools_dat)
Fehler in sink(type = “output”) : ungültige Verbindung

Sorry, seems to be a recurrent topic but previous solutions do not help here.

requestd information:

devtools::session_info(“rstan”)
─ Session info ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
setting value
version R version 3.6.0 (2019-04-26)
os macOS Mojave 10.14.4
system x86_64, darwin15.6.0
ui RStudio
language (EN)
collate de_DE.UTF-8
ctype de_DE.UTF-8
tz Europe/Berlin
date 2019-07-30

─ Packages ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
package * version date lib source
assertthat 0.2.1 2019-03-21 [1] CRAN (R 3.6.0)
backports 1.1.4 2019-04-10 [1] CRAN (R 3.6.0)
BH 1.69.0-1 2019-01-07 [1] CRAN (R 3.6.0)
callr 3.2.0 2019-03-15 [1] CRAN (R 3.6.0)
checkmate 1.9.1 2019-01-15 [1] CRAN (R 3.6.0)
cli 1.1.0 2019-03-19 [1] CRAN (R 3.6.0)
colorspace 1.4-1 2019-03-18 [1] CRAN (R 3.6.0)
crayon 1.3.4 2017-09-16 [1] CRAN (R 3.6.0)
desc 1.2.0 2018-05-01 [1] CRAN (R 3.6.0)
digest 0.6.18 2018-10-10 [1] CRAN (R 3.6.0)
fansi 0.4.0 2018-10-05 [1] CRAN (R 3.6.0)
ggplot2 * 3.1.1 2019-04-07 [1] CRAN (R 3.6.0)
glue 1.3.1 2019-03-12 [1] CRAN (R 3.6.0)
gridExtra 2.3 2017-09-09 [1] CRAN (R 3.6.0)
gtable 0.3.0 2019-03-25 [1] CRAN (R 3.6.0)
inline 0.3.15 2018-05-18 [1] CRAN (R 3.6.0)
labeling 0.3 2014-08-23 [1] CRAN (R 3.6.0)
lattice 0.20-38 2018-11-04 [1] CRAN (R 3.6.0)
lazyeval 0.2.2 2019-03-15 [1] CRAN (R 3.6.0)
loo 2.1.0 2019-03-13 [1] CRAN (R 3.6.0)
magrittr 1.5 2014-11-22 [1] CRAN (R 3.6.0)
MASS 7.3-51.4 2019-03-31 [1] CRAN (R 3.6.0)
Matrix 1.2-17 2019-03-22 [1] CRAN (R 3.6.0)
matrixStats 0.54.0 2018-07-23 [1] CRAN (R 3.6.0)
mgcv 1.8-28 2019-03-21 [1] CRAN (R 3.6.0)
munsell 0.5.0 2018-06-12 [1] CRAN (R 3.6.0)
nlme 3.1-139 2019-04-09 [1] CRAN (R 3.6.0)
pillar 1.3.1 2018-12-15 [1] CRAN (R 3.6.0)
pkgbuild 1.0.3 2019-03-20 [1] CRAN (R 3.6.0)
pkgconfig 2.0.2 2018-08-16 [1] CRAN (R 3.6.0)
plyr 1.8.4 2016-06-08 [1] CRAN (R 3.6.0)
prettyunits 1.0.2 2015-07-13 [1] CRAN (R 3.6.0)
processx 3.3.0 2019-03-10 [1] CRAN (R 3.6.0)
ps 1.3.0 2018-12-21 [1] CRAN (R 3.6.0)
R6 2.4.0 2019-02-14 [1] CRAN (R 3.6.0)
RColorBrewer 1.1-2 2014-12-07 [1] CRAN (R 3.6.0)
Rcpp 1.0.1 2019-03-17 [1] CRAN (R 3.6.0)
RcppEigen 0.3.3.5.0 2018-11-24 [1] CRAN (R 3.6.0)
reshape2 1.4.3 2017-12-11 [1] CRAN (R 3.6.0)
rlang 0.3.4 2019-04-07 [1] CRAN (R 3.6.0)
rprojroot 1.3-2 2018-01-03 [1] CRAN (R 3.6.0)
rstan * 2.19.2 2019-07-09 [1] CRAN (R 3.6.0)
scales 1.0.0 2018-08-09 [1] CRAN (R 3.6.0)
StanHeaders * 2.18.1-10 2019-06-14 [1] CRAN (R 3.6.0)
stringi 1.4.3 2019-03-12 [1] CRAN (R 3.6.0)
stringr 1.4.0 2019-02-10 [1] CRAN (R 3.6.0)
tibble 2.1.1 2019-03-16 [1] CRAN (R 3.6.0)
utf8 1.1.4 2018-05-24 [1] CRAN (R 3.6.0)
viridisLite 0.3.0 2018-02-01 [1] CRAN (R 3.6.0)
withr 2.1.2 2018-03-15 [1] CRAN (R 3.6.0)

[1] /Library/Frameworks/R.framework/Versions/3.6/Resources/library

and

library(rstan)
stancode <- ‘data {real y_mean;} parameters {real y;} model {y ~ normal(y_mean,1);}’
mod <- stan_model(model_code = stancode, verbose = TRUE)

TRANSLATING MODEL ‘16a540c6086086816528e4524def24d9’ FROM Stan CODE TO C++ CODE NOW.
successful in parsing the Stan model ‘16a540c6086086816528e4524def24d9’.
COMPILING THE C++ CODE FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW.
OS: x86_64, darwin15.6.0; rstan: 2.19.2; Rcpp: 1.0.1; inline: 0.3.15

setting environment variables:
PKG_LIBS = -L’/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/lib/’ -lStanHeaders
PKG_CPPFLAGS = -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/unsupported" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/BH/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/rstan/include" -DEIGEN_NO_DEBUG -DBOOST_DISABLE_ASSERTS

Program source :

1 :
2 : // includes from the plugin
3 : // [[Rcpp::plugins(cpp14)]]
4 :
5 : // user includes
6 : #define STAN__SERVICES__COMMAND_HPP// Code generated by Stan version 2.19.1
7 :
8 : #include <stan/model/model_header.hpp>

354 :
355 : SEXP file2a2f6514e5a2( ){
356 : return Rcpp::wrap(“16a540c6086086816528e4524def24d9”);
357 : }
358 :
359 :
Compilation argument:
/Library/Frameworks/R.framework/Resources/bin/R CMD SHLIB file2a2f6514e5a2.cpp 2> file2a2f6514e5a2.cpp.err.txt
clang++ -std=gnu++14 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/unsupported" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/BH/include" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/" -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/rstan/include" -DEIGEN_NO_DEBUG -DBOOST_DISABLE_ASSERTS -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk -I/usr/local/include -fPIC -Wall -g -O2 -c file2a2f6514e5a2.cpp -o file2a2f6514e5a2.o
clang++ -std=gnu++14 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/Library/Frameworks/R.framework/Resources/lib -L/usr/local/lib -o file2a2f6514e5a2.so file2a2f6514e5a2.o -L/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/lib/ -lStanHeaders -F/Library/Frameworks/R.framework/… -framework R -Wl,-framework -Wl,CoreFoundation
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:1:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Core:535:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:2:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/LU:47:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:3:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Cholesky:12:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Jacobi:29:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:3:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Cholesky:43:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/QR:17:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Householder:27:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/SVD:48:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:6:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Geometry:58:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:5:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/build_vari_array.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/fun/Eigen.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Dense:7:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/Eigenvalues:58:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppEigen/include/Eigen/src/Core/util/ReenableStupidWarnings.h:10:30: warning: pragma diagnostic pop could not pop, no matching push [-Wunknown-pragmas]
#pragma clang diagnostic pop
^
… skipped…
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:45:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/set_zero_all_adjoints.hpp:14:13: warning: unused function ‘set_zero_all_adjoints’ [-Wunused-function]
static void set_zero_all_adjoints() {
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core.hpp:46:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/core/set_zero_all_adjoints_nested.hpp:17:13: warning: ‘static’ function ‘set_zero_all_adjoints_nested’ declared in header file should be declared ‘static inline’ [-Wunneeded-internal-declaration]
static void set_zero_all_adjoints_nested() {
^
In file included from file2a2f6514e5a2.cpp:8:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/src/stan/model/model_header.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math.hpp:4:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/rev/mat.hpp:12:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat.hpp:336:
In file included from /Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/prob/poisson_log_glm_log.hpp:5:
/Library/Frameworks/R.framework/Versions/3.6/Resources/library/StanHeaders/include/stan/math/prim/mat/prob/poisson_log_glm_lpmf.hpp:64:59: warning: unused typedef ‘T_alpha_val’ [-Wunused-local-typedef]
typename partials_return_type<T_alpha>::type>::type T_alpha_val;
^
file2a2f6514e5a2.cpp:101:24: warning: unused typedef ‘local_scalar_t__’ [-Wunused-local-typedef]
typedef double local_scalar_t__;
^
22 warnings generated.

We need the part of the error message that has an error: (with colon) in it. It may be easier to find with RStan 2.19.x by doing

library(rstan)
example(stan_model, run.dontrun = TRUE)

Thank you,
but where is the
error: (with colon) in it?

library(rstan)

example(stan_model, run.dontrun = TRUE)

stn_md> stancode <- ‘data {real y_mean;} parameters {real y;} model {y ~ normal(y_mean,1);}’

stn_md> mod <- stan_model(model_code = stancode, verbose = TRUE)

TRANSLATING MODEL ‘16a540c6086086816528e4524def24d9’ FROM Stan CODE TO C++ CODE NOW.
successful in parsing the Stan model ‘16a540c6086086816528e4524def24d9’.

stn_md> fit <- sampling(mod, data = list(y_mean = 0))
starting worker pid=12159 on localhost:11398 at 20:46:50.830
starting worker pid=12173 on localhost:11398 at 20:46:51.058
starting worker pid=12187 on localhost:11398 at 20:46:51.282
starting worker pid=12201 on localhost:11398 at 20:46:51.503

SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 1).
Chain 1:
Chain 1: Gradient evaluation took 8e-06 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.08 seconds.
Chain 1: Adjust your expectations accordingly!
Chain 1:
Chain 1:
Chain 1: Iteration: 1 / 2000 [ 0%] (Warmup)
Chain 1: Iteration: 200 / 2000 [ 10%] (Warmup)
Chain 1: Iteration: 400 / 2000 [ 20%] (Warmup)
Chain 1: Iteration: 600 / 2000 [ 30%] (Warmup)
Chain 1: Iteration: 800 / 2000 [ 40%] (Warmup)
Chain 1: Iteration: 1000 / 2000 [ 50%] (Warmup)
Chain 1: Iteration: 1001 / 2000 [ 50%] (Sampling)
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 2).
Chain 2:
Chain 2: Gradient evaluation took 9e-06 seconds
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 3).
Chain 3:
Chain 3: Gradient evaluation took 8e-06 seconds
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 4).
Chain 4:
Chain 4: Gradient evaluation took 8e-06 seconds
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stn_md> fit2 <- sampling(mod, data = list(y_mean = 5))
starting worker pid=12219 on localhost:11398 at 20:46:53.701
starting worker pid=12233 on localhost:11398 at 20:46:53.922
starting worker pid=12247 on localhost:11398 at 20:46:54.147
starting worker pid=12261 on localhost:11398 at 20:46:54.367

SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 1).
Chain 1:
Chain 1: Gradient evaluation took 7e-06 seconds
Chain 1: 1000 transitions using 10 leapfrog steps per transition would take 0.07 seconds.
Chain 1: Adjust your expectations accordingly!
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 2).
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Chain 2: Gradient evaluation took 8e-06 seconds
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 3).
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SAMPLING FOR MODEL ‘16a540c6086086816528e4524def24d9’ NOW (CHAIN 4).
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Chain 4: Gradient evaluation took 1e-05 seconds
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did run the

fit <- stan(file = ‘8schools.stan’, data = schools_dat)
again

this time: no error

seems to work now.

Possibly I introduced some dumb error in my previous attempts,
better to delete these posts…