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我正在尝试使用伯努利分布在石榴中创建贝叶斯模型，但我不知道如何构建分布并创建条件表。我已经看到了石榴的 Monty Hall 示例，并试图效仿它。以下是我对此事的看法：

from pomegranate import BernoulliDistribution
from pomegranate import ConditionalProbabilityTable
from pomegranate import Node
from pomegranate import BayesianNetwork

model = BayesianNetwork

c1 = BernoulliDistribution(0.2)
c2 = BernoulliDistribution(0.2 * 4)
pCPT = cpt([
        [True, True, 0.25],
        [True, False, 0.75],
        [False, True, 0.0],
        [False, False, 1]
    ], parents=[c1, c2])
s1 = Node(c1, name="c1")
s2 = Node(c2, name="c2")
s3 = Node(pCPT, name="CPT")
model.add_nodes(s1, s2, s3)
model.add_edge(s1, s3)
model.add_edge(s2, s3)
model.bake()

这给了我以下错误：

AttributeError: 'pomegranate.distributions.BernoulliDistribution.Be' object has no attribute 'keys'
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