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alpha
physical
Commits
f5cab4c7
Commit
f5cab4c7
authored
Feb 27, 2019
by
段英荣
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Merge branch 'linUCB' into 'master'
modify See merge request
!130
parents
19f84959
deac1811
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1 changed file
with
6 additions
and
5 deletions
+6
-5
linucb.py
linucb/views/linucb.py
+6
-5
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linucb/views/linucb.py
View file @
f5cab4c7
...
...
@@ -8,6 +8,7 @@ from trans2es.models.tag import Tag
import
logging
import
traceback
import
json
import
pickle
class
LinUCB
:
d
=
2
...
...
@@ -45,7 +46,7 @@ class LinUCB:
theta_list
=
list
()
for
tag_id
in
redis_linucb_tag_data_dict
:
tag_dict
=
json
.
loads
(
redis_linucb_tag_data_dict
[
tag_id
])
tag_dict
=
pickle
.
loads
(
redis_linucb_tag_data_dict
[
tag_id
])
Aa_list
.
append
(
tag_dict
[
"Aa"
])
theta_list
.
append
(
tag_dict
[
"theta"
])
...
...
@@ -78,8 +79,8 @@ class LinUCB:
"ba"
:
np
.
zeros
((
cls
.
d
,
1
)),
"AaI"
:
np
.
identity
(
cls
.
d
)
}
json_data
=
json
.
dumps
(
init_dict
)
user_tag_linucb_dict
[
tag_id
]
=
json
_data
pickle_data
=
pickle
.
dumps
(
init_dict
)
user_tag_linucb_dict
[
tag_id
]
=
pickle
_data
redis_cli
.
hmset
(
redis_key
,
user_tag_linucb_dict
)
...
...
@@ -108,7 +109,7 @@ class LinUCB:
if
not
ori_redis_tag_data
:
LinUCB
.
init_device_id_linucb_info
(
redis_client
,
redis_prefix
,
device_id
,[
tag_id
])
else
:
ori_redis_tag_dict
=
json
.
loads
(
ori_redis_tag_data
)
ori_redis_tag_dict
=
pickle
.
loads
(
ori_redis_tag_data
)
new_Aa_matrix
=
ori_redis_tag_dict
[
"Aa"
]
+
np
.
dot
(
xa
,
xaT
)
new_AaI_matrix
=
np
.
linalg
.
solve
(
new_Aa_matrix
,
np
.
identity
(
cls
.
d
))
new_ba_matrix
=
ori_redis_tag_dict
[
"ba"
]
+
r
*
xa
...
...
@@ -120,7 +121,7 @@ class LinUCB:
"theta"
:
np
.
dot
(
new_AaI_matrix
,
new_ba_matrix
)
}
redis_cli
.
hset
(
redis_key
,
tag_id
,
json
.
dumps
(
user_tag_dict
))
redis_cli
.
hset
(
redis_key
,
tag_id
,
pickle
.
dumps
(
user_tag_dict
))
return
True
except
:
logging
.
error
(
"catch exception,err_msg:
%
s"
%
traceback
.
format_exc
())
...
...
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