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MCMC sampling progress messages are not displayed in JupyterLab or Jupyter Notebook.
Although the issue is actually caused by Jupyter, redirecting the stdout messages of Stan to the R streams could be a workaround solution.
Description:
Currently Jupyter does not capture OS-level output, this problem is not fixed for 2 years (see IRkernel/IRkernel#416 and jupyter/enhancement-proposals#14). As a consequence, the MCMC sampling messages of Stan are not shown in JupyterLab or Jupyter Notebook.
It is suggested that redirecting the stdout messages to the R streams could solve the problem (see IRkernel/IRkernel#584).
Update:
Sampling messages are displayed when mc.cores = 1 .
Summary:
MCMC sampling progress messages are not displayed in JupyterLab or Jupyter Notebook.
Although the issue is actually caused by Jupyter, redirecting the stdout messages of Stan to the R streams could be a workaround solution.
Description:
Currently Jupyter does not capture OS-level output, this problem is not fixed for 2 years (see IRkernel/IRkernel#416 and jupyter/enhancement-proposals#14). As a consequence, the MCMC sampling messages of Stan are not shown in JupyterLab or Jupyter Notebook.
It is suggested that redirecting the stdout messages to the R streams could solve the problem (see IRkernel/IRkernel#584).
Update:
Sampling messages are displayed when
mc.cores = 1
.Reproducible Steps:
Run any model
Current Output:
No output
Expected Output:
Something like this:
RStan Version:
2.17.3
R Version:
R version 3.5.1 (2018-07-02)
Operating System:
Ubuntu 18.04.1
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