<s>
Multiway	B-General_Concept
data	I-General_Concept
analysis	I-General_Concept
is	O
a	O
method	O
of	O
analyzing	O
large	O
data	O
sets	O
by	O
representing	O
a	O
collection	O
of	O
observations	O
as	O
a	O
multiway	O
array	O
,	O
.	O
</s>
<s>
The	O
study	O
of	O
multiway	B-General_Concept
data	I-General_Concept
analysis	I-General_Concept
was	O
first	O
formalized	O
as	O
the	O
result	O
of	O
a	O
conference	O
held	O
in	O
1988	O
.	O
</s>
<s>
The	O
result	O
of	O
this	O
conference	O
was	O
the	O
first	O
text	O
specifically	O
addressed	O
to	O
this	O
field	O
,	O
Coppi	O
and	O
Bolasco	O
's	O
Multiway	B-General_Concept
Data	I-General_Concept
Analysis	I-General_Concept
.	O
</s>
<s>
Multiway	B-General_Concept
data	I-General_Concept
analysts	O
use	O
the	O
term	O
way	O
to	O
refer	O
to	O
the	O
number	O
sources	O
of	O
data	O
variation	O
while	O
reserving	O
the	O
word	O
mode	O
for	O
the	O
methods	O
or	O
models	O
used	O
to	O
analyze	O
the	O
data	O
.	O
</s>
<s>
A	O
spreadsheet	B-Application
can	O
be	O
used	O
to	O
visualize	O
such	O
data	O
in	O
the	O
case	O
of	O
discrete	O
dimensions	O
.	O
</s>
<s>
Four-way	O
data	O
,	O
using	O
the	O
same	O
spreadsheet	B-Application
analogy	O
,	O
can	O
be	O
represented	O
as	O
a	O
file	O
folder	O
full	O
of	O
separate	O
workbooks	O
.	O
</s>
<s>
In	O
general	O
,	O
a	O
multiway	B-General_Concept
data	I-General_Concept
is	O
stored	O
in	O
a	O
multiway	O
array	O
and	O
may	O
be	O
measured	O
at	O
different	O
times	O
,	O
or	O
in	O
different	O
places	O
,	O
using	O
different	O
methodologies	O
,	O
and	O
may	O
contain	O
inconsistencies	O
such	O
as	O
missing	O
data	O
or	O
discrepancies	O
in	O
data	O
representation	O
.	O
</s>
<s>
Multiway	B-General_Concept
data	I-General_Concept
analysis	I-General_Concept
can	O
be	O
employed	O
in	O
various	O
multiway	O
applications	O
so	O
as	O
to	O
address	O
the	O
problem	O
of	O
finding	O
hidden	O
multilinear	O
structure	O
in	O
multiway	O
datasets	O
.	O
</s>
<s>
Computer	B-Application
vision	I-Application
-	O
TensorFaces	O
and	O
Human	O
motion	O
signatures	O
analyzes	O
facial	O
images	O
and	O
human	O
joint	O
angle	O
data	O
organizes	O
in	O
a	O
multiway	O
array	O
.	O
</s>
<s>
The	O
multiway	B-General_Concept
data	I-General_Concept
analysis	I-General_Concept
is	O
employed	O
to	O
compute	O
a	O
set	O
of	O
causal	O
factor	O
representations	O
.	O
</s>
<s>
Multiway	O
processing	O
is	O
the	O
execution	O
of	O
designed	O
and	O
determined	O
multiway	O
model(s )	O
transforming	O
multiway	B-General_Concept
data	I-General_Concept
to	O
the	O
desirable	O
level	O
by	O
addressing	O
the	O
specific	O
need	O
of	O
particular	O
multiway	O
application	O
.	O
</s>
