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Bayesian network
noun
(statistics)
A
directed
acyclic
graph
whose
vertices
represent
random
variables
and
whose
directed
edges
represent
conditional
dependencies.
Each
random
variable
can
fall
into
any
of
at
least
two
mutually
disjoint
states,
and
has
a
probability
function
which
takes
as
inputs
the
states
of
its
parent
nodes
and
returns
as
output
the
probability
of
being
in
a
certain
state
for
a
given
combination
of
the
states
of
its
parent
nodes.
A
node
without
parent
nodes
just
has
an
unconditioned
probability
of
being
in
some
given
state.
Bayes' theorem
name
Japanese bayberry whitefly
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