Apr 25, 2025 · with pyro.plate("data", x.size(0)): pyro.sample("obs", dist.Normal(mu, sigma), obs=y.squeeze(-1),infer={"scale": annealing_factor}) #obs，真实数据+噪声

Aug 14, 2025 · Forum For Pyro Developers

May 1, 2019 · Model and guide shapes disagree at site ‘z_2’: torch.Size ( [2, 2]) vs torch.Size ( [2]) Anyone has the clue, why the shapes disagree at some point? Here is the z_t sample site in the …

Nov 1, 2024 · Hi, I’m working on a model where the likelihood follows a matrix normal distribution, X ~ MN_{n,p} (M, U, V). I’m using conjugate priors: M ~ MN U ~ Inverse Wishart V ~ Inverse Wishart As …

Apr 22, 2025 · the issue was because this was not differentiable! the fix was following guidance from Best practice to handle division by zero in auto-differentiation · Issue #5039 · jax-ml/jax · GitHub

Oct 15, 2023 · I am running NUTS/MCMC (on multiple CPU cores) for a quite large dataset (400k samples) for 4 chains x 2000 steps. mcmc.run actually ran until the end, but then died with an out-of …

May 23, 2025 · Hi there, I am relatively new to numpyro, and I am exploring a bit with different features. In one scenario, I am using Gaussian copulas to model some variables, one of which has a discrete …

Mar 12, 2025 · i see. this would appear to be a bug/unsupported feature. if you like, you can make a feature request on github (please include a code snippet and stack trace). however, in the short term …

Sep 5, 2024 · I would like to apply a conditional reparameterization to my model, e.g., to add an offset to sample a given sample z as discussed in Add explicit reparametrizer. by tillahoffmann · Pull Request …

Jun 10, 2018 · Hello Pyro community! I’m a Pyro noob, just getting my feet wet with some simple models, and ran into a warning that I could use some help understanding. I’m attempting to use …