Comments (5)
Can you verify that pystan is working?
import pystan
model_code = 'parameters {real y;} model {y ~ normal(0,1);}'
model = pystan.StanModel(model_code=model_code)
y = model.sampling(n_jobs=1).extract()['y']
y.mean() # with luck the result will be near 0
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It was hang here:
# bin/python3
Python 3.5.2 (default, Jul 20 2016, 13:58:31)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pystan
>>> model_code = 'parameters {real y;} model {y ~ normal(0,1);}'
>>> model = pystan.StanModel(model_code=model_code)
INFO:pystan:COMPILING THE C++ CODE FOR MODEL anon_model_5944b02c79788fa0db5b3a93728ca2bf NOW.
should I reinstall the pystan?
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Yes the installation is failing because pystan is not working.
You could try reinstalling. It seems that the cython version could be another potential source of problem: stan-dev/pystan#206
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@bletham ,Thank you very much,I found the reason, it is the same with Which other dependencies for Python+Linux? ,I upgrade the VM to 2G, it gone be work.
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Wonderful! I added a note to the installation instructions about the memory requirement in VMs (5e8e3ee). Thanks for helping debug this.
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