Variable Elimination #238
Variable Elimination #238
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Pull Request Test Coverage Report for Build 11942739972Warning: This coverage report may be inaccurate.This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.
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BridgeStan not found at location specified by $BRIDGESTAN environment variable, downloading version 2.5.0 to /home/runner/.bridgestan/bridgestan-2.5.0
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| for (k, v) in evidence | ||
| node_id = bn.names_to_ids[k] | ||
| dist_idx = findfirst(id -> id == node_id, bn.stochastic_ids) | ||
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| @testset "Marginalization with Mixed Variables" begin | ||
| bn = BayesianNetwork{Symbol}() | ||
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| # X1 ~ Normal(0, 1) | ||
| add_stochastic_vertex!(bn, :X1, Normal(0, 1), false) | ||
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| # X2 ~ Bernoulli(0.7) [using Categorical with 2 categories] | ||
| add_stochastic_vertex!(bn, :X2, Categorical([0.3, 0.7]), false) | ||
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| # X3 ~ Normal(μ = 2*X2, σ = 1) | ||
| add_stochastic_vertex!(bn, :X3, Normal(0, 1), false) | ||
| add_edge!(bn, :X2, :X3) | ||
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| # Umbrella Sales (X3) ~ Normal(μ(X2), 1) | ||
| # μ = 2 if no rain (X2=0), μ = 10 if rain (X2=1) | ||
| add_stochastic_vertex!(bn, :X3, Normal(0, 1), false) | ||
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| add_stochastic_vertex!(bn, :X3, Normal(0, 1), false) | ||
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| add_edge!(bn, :X2, :X3) | ||
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| @test result1 > 0 | ||
| println("P(X3|X1) = ", result1) | ||
| end | ||
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| @test 0 ≤ result ≤ 1 | ||
| @test isapprox(result, 0.3, atol=0.1) # Should be close to P(X2=0)=0.3 | ||
| end | ||
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| result_rain = variable_elimination(bn, :X3, Dict(:X2 => 1)) | ||
| @test result_rain isa Number | ||
| @test result_rain > 0 | ||
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