Information Technology Reference
In-Depth Information
(ave,min)-column-aggregation
j = 1 α
n
j = 1 β
n
1
n
l
1
n
l
l 0 ,
j ,
j
k
k
k 1 , α
1
1
min
n μ k 1 , l j ,
max
1
n ν k 1 , l j
σ max (
A
,
l 0 ) =
,
1
j
j
.
.
k
k
k m , α
m
m
min
n μ k m , l j ,
max
1
n ν k m , l j
1
j
j
(min,max)-column-aggregation
l
l
l 0 ,
min
m α
j ,
max
1
m β
j
1
i
i
k
k
k 1 , α
1
1
max
1
n μ k 1 , l j ,
min
n ν k 1 , l j
j
1
j
σ max (
A
,
l 0 ) =
,
.
.
k
k
k m , α
m
m
max
n μ k m , l j ,
min
n ν k m , l j
1
j
1
j
(min,ave)-column-aggregation
l
l
l 0 ,
min
m α
j ,
max
1
m β
j
1
i
i
j = 1 μ k 1 , l j ,
n
j = 1 ν k 1 , l j
n
1
n
1
n
k
k
k 1 , α
1
1
σ max (
A
,
l 0 ) =
,
.
.
j = 1 μ k m , l j ,
j = 1 ν k m , l j
n
n
1
n
1
n
m
m
k m , α
(min,min)-column-aggregation
l
l
l 0 ,
min
i m α
j ,
max
1
i m β
j
1
k
k
k 1 , α
1
1
min
n μ k 1 , l j ,
max
1
n ν k 1 , l j
1
j
j
σ max (
A
,
l 0 ) =
.
.
.
m
m
k m , α
min
j n μ k m , l j ,
max
1
j n ν k m , l j
1
 
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