Closed itsdfish closed 2 years ago
Hi Chris,
Yes, that would definitely be better (and has been taken care of in StanSample.jl).
If you really need it, I can try to set some time aside to fix this, but I would really suggest to switch to StanSample.jl.
I've kept CmdStan.jl around mainly for DiffEqBayes.jl, but DiffEqBayes has now also switched to StanSample.jl. I believe Turing doesn't use it anymore either (like they did until 1 or 2 years ago?).
But nothing is cast in concrete...
Let me know what you think. Below the StanSample version of your example (I think!).
Rob
using StanSample, MCMCChains
bernoulli_model = "
data {
int<lower=1> N;
int<lower=0,upper=1> y[N];
}
parameters {
real<lower=0,upper=1> theta;
}
model {
theta ~ beta(1,1);
y ~ bernoulli(theta);
}
";
bernoulli_data = Dict("N" => 10, "y" => [0, 1, 0, 1, 0, 0, 0, 0, 0, 1])
# Keep tmpdir across multiple runs to prevent re-compilation
#tmpdir = joinpath(@__DIR__, "tmp")
sm = SampleModel("bernoulli", bernoulli_model;
#tmpdir = tmpdir,
);
rc = stan_sample(sm; data=bernoulli_data);
if success(rc)
chns = read_samples(sm, :mcmcchains)
chns |> display
println()
read_summary(sm) |> display
end
Thanks for getting back to me. I am switching to stansample. The only thing that threw me off is that nchains is a vector. Is there a reason for that?
On Wed, Oct 13, 2021, 10:27 AM Rob J Goedman @.***> wrote:
Hi Chris,
Yes, that would definitely be better (and has been taken care of in StanSample.jl).
If you really need it, I can try to set some time aside to fix this, but I would really suggest to switch to StanSample.jl.
I've kept CmdStan.jl around mainly for DiffEqBayes.jl, but DiffEqBayes has now also switched to StanSample.jl. I believe Turing doesn't use it anymore either (like they did until 1 or 2 years ago?).
But nothing is cast in concrete...
Let me know what you think. Below the StanSample version of your example (I think!).
Rob
using StanSample, MCMCChains
bernoulli_model = " data { int
N; int y[N]; } parameters { real theta; } model { theta ~ beta(1,1); y ~ bernoulli(theta); } "; bernoulli_data = Dict("N" => 10, "y" => [0, 1, 0, 1, 0, 0, 0, 0, 0, 1])
Keep tmpdir across multiple runs to prevent re-compilation
tmpdir = joinpath(@DIR, "tmp")
sm = SampleModel("bernoulli", bernoulli_model;
tmpdir = tmpdir,
);
rc = stan_sample(sm; data=bernoulli_data);
if success(rc) chns = read_samples(sm, :mcmcchains) chns |> display println()
read_summary(sm) |> display end
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I believe I can't change it later on after the SampleModel is created. I would love to get rid of this and just turn it into an Int.
Hi Rob,
Hopefully, this is not user error this time. run.log and out.txt save to project_dir rather than project_dir/temp. I'm not sure if this is intentional, but I think it would be better to save to the temp folder. Here is a MWE: