Пример #1
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 def model():
     latent = named.Object("latent")
     latent.list = named.List()
     loc = latent.list.add().loc.param_(torch.zeros(1))
     latent.dict = named.Dict()
     foo = latent.dict["foo"].foo.sample_(dist.Normal(loc, torch.ones(1)))
     latent.object.bar.sample_(dist.Normal(loc, torch.ones(1)), obs=foo)
Пример #2
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def model(data, k):
    latent = named.Object("latent")

    # Create parameters for a Gaussian mixture model.
    latent.probs.param_(torch.ones(k) / k, constraint=constraints.simplex)
    latent.locs.param_(torch.zeros(k))
    latent.scales.param_(torch.ones(k), constraint=constraints.positive)

    # Observe all the data. We pass a local latent in to the local_model.
    latent.local = named.List()
    for x in data:
        local_model(latent.local.add(), latent.probs, latent.locs, latent.scales, obs=x)
Пример #3
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def test_eval_str():
    state = named.Object("state")
    state.x = 0
    state.ys = named.List()
    state.ys.add().foo = 1
    state.zs = named.Dict()
    state.zs[42].bar = 2

    assert state is eval(str(state))
    assert state.x is eval(str(state.x))
    assert state.ys is eval(str(state.ys))
    assert state.ys[0] is eval(str(state.ys[0]))
    assert state.ys[0].foo is eval(str(state.ys[0].foo))
    assert state.zs is eval(str(state.zs))
    assert state.zs[42] is eval(str(state.zs[42]))
    assert state.zs[42].bar is eval(str(state.zs[42].bar))
Пример #4
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def guide(data, k):
    latent = named.Object("latent")
    latent.local = named.List()
    for x in data:
        # We pass a local latent in to the local_guide.
        local_guide(latent.local.add(), k)
Пример #5
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def guide(data):
    guide_recurse(data, named.Object("latent"))
Пример #6
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def model(data):
    latent = named.Object("latent")
    latent.z.sample_(dist.Normal(0.0, 1.0))
    model_recurse(data, latent)
Пример #7
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 def sampler():
     nob = named.Object(nob_name)
     for key, val in yaml_parameters.items():
         _parse_entry(key, val, nob, nob_name, device)
     return nob
Пример #8
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 def model():
     latent = named.Object("latent")
     loc = latent.loc.param_(torch.zeros(1))
     foo = latent.foo.sample_(dist.Normal(loc, torch.ones(1)))
     latent.bar.sample_(dist.Normal(loc, torch.ones(1)), obs=foo)
     latent.x.z.sample_(dist.Normal(loc, torch.ones(1)))