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Social Cognitive Systems
PRIMO
Commits
3f5e87bf
Commit
3f5e87bf
authored
11 years ago
by
Manuel Baum
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Little refactor: Changed method name to get_unique_value()
parent
3572c578
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3 changed files
primo/reasoning/Evidence.py
+2
-2
2 additions, 2 deletions
primo/reasoning/Evidence.py
primo/reasoning/MCMC.py
+1
-1
1 addition, 1 deletion
primo/reasoning/MCMC.py
primo/reasoning/MarkovChainSampler.py
+2
-2
2 additions, 2 deletions
primo/reasoning/MarkovChainSampler.py
with
5 additions
and
5 deletions
primo/reasoning/Evidence.py
+
2
−
2
View file @
3f5e87bf
...
...
@@ -16,7 +16,7 @@ class Evidence(object):
'''
raise
Exception
(
"
Not defined for this kind of Evidence
"
)
def
get_un
ambigous
_value
(
self
):
def
get_un
ique
_value
(
self
):
'''
Sometimes only one value of some domain is compatible with the evidence.
This is obviously the case for EvidenceEqual. It is then possible to
...
...
@@ -38,7 +38,7 @@ class EvidenceEqual(Evidence):
def
is_compatible
(
self
,
value
):
return
self
.
value
==
value
def
get_un
ambigous
_value
(
self
):
def
get_un
ique
_value
(
self
):
return
self
.
value
class
EvidenceIntervall
(
Evidence
):
...
...
This diff is collapsed.
Click to expand it.
primo/reasoning/MCMC.py
+
1
−
1
View file @
3f5e87bf
...
...
@@ -120,7 +120,7 @@ class MCMC(object):
state
=
{}
for
var
in
self
.
bn
.
get_nodes_in_topological_sort
():
if
var
in
evidence
.
keys
():
value
=
evidence
[
var
].
get_un
ambigous
_value
()
value
=
evidence
[
var
].
get_un
ique
_value
()
if
value
==
None
:
value
=
var
.
sample_global
(
state
)
state
[
var
]
=
value
...
...
This diff is collapsed.
Click to expand it.
primo/reasoning/MarkovChainSampler.py
+
2
−
2
View file @
3f5e87bf
...
...
@@ -33,7 +33,7 @@ class GibbsTransitionModel(object):
Dict from Node to Evidence.
'''
nodes
=
network
.
get_nodes
([])
nodes_to_resample
=
[
n
for
n
in
nodes
if
not
n
in
extern_evidence
.
keys
()
or
extern_evidence
[
n
].
get_un
ambigous
_value
()
==
None
]
nodes_to_resample
=
[
n
for
n
in
nodes
if
not
n
in
extern_evidence
.
keys
()
or
extern_evidence
[
n
].
get_un
ique
_value
()
==
None
]
for
node
in
nodes_to_resample
:
parents
=
network
.
get_parents
(
node
)
...
...
@@ -97,7 +97,7 @@ class MetropolisHastingsTransitionModel(object):
Dict from Node to Evidence.
'''
nodes
=
network
.
get_nodes
([])
nodes_to_resample
=
[
n
for
n
in
nodes
if
not
n
in
extern_evidence
.
keys
()
or
extern_evidence
[
n
].
get_un
ambigous
_value
()
==
None
]
nodes_to_resample
=
[
n
for
n
in
nodes
if
not
n
in
extern_evidence
.
keys
()
or
extern_evidence
[
n
].
get_un
ique
_value
()
==
None
]
for
node
in
nodes_to_resample
:
#propose a new value for this variable:
current_value
=
state
[
node
]
...
...
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