<s>
In	O
statistics	O
,	O
econometrics	O
and	O
related	O
fields	O
,	O
multidimensional	B-Algorithm
analysis	I-Algorithm
(	O
MDA	O
)	O
is	O
a	O
data	B-General_Concept
analysis	I-General_Concept
process	O
that	O
groups	O
data	O
into	O
two	O
categories	O
:	O
data	O
dimensions	O
and	O
measurements	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
data	B-General_Concept
set	I-General_Concept
consisting	O
of	O
the	O
number	O
of	O
wins	O
for	O
a	O
single	O
football	O
team	O
at	O
each	O
of	O
several	O
years	O
is	O
a	O
single-dimensional	O
(	O
in	O
this	O
case	O
,	O
longitudinal	O
)	O
data	B-General_Concept
set	I-General_Concept
.	O
</s>
<s>
A	O
data	B-General_Concept
set	I-General_Concept
consisting	O
of	O
the	O
number	O
of	O
wins	O
for	O
several	O
football	O
teams	O
in	O
a	O
single	O
year	O
is	O
also	O
a	O
single-dimensional	O
(	O
in	O
this	O
case	O
,	O
cross-sectional	O
)	O
data	B-General_Concept
set	I-General_Concept
.	O
</s>
<s>
A	O
data	B-General_Concept
set	I-General_Concept
consisting	O
of	O
the	O
number	O
of	O
wins	O
for	O
several	O
football	O
teams	O
over	O
several	O
years	O
is	O
a	O
two-dimensional	O
data	B-General_Concept
set	I-General_Concept
.	O
</s>
<s>
In	O
many	O
disciplines	O
,	O
two-dimensional	O
data	B-General_Concept
sets	I-General_Concept
are	O
also	O
called	O
panel	O
data	O
.	O
</s>
<s>
While	O
,	O
strictly	O
speaking	O
,	O
two	O
-	O
and	O
higher-dimensional	O
data	B-General_Concept
sets	I-General_Concept
are	O
"	O
multi-dimensional	O
"	O
,	O
the	O
term	O
"	O
multidimensional	O
"	O
tends	O
to	O
be	O
applied	O
only	O
to	O
data	B-General_Concept
sets	I-General_Concept
with	O
three	O
or	O
more	O
dimensions	O
.	O
</s>
<s>
For	O
example	O
,	O
some	O
forecast	O
data	B-General_Concept
sets	I-General_Concept
provide	O
forecasts	O
for	O
multiple	O
target	O
periods	O
,	O
conducted	O
by	O
multiple	O
forecasters	O
,	O
and	O
made	O
at	O
multiple	O
horizons	O
.	O
</s>
<s>
The	O
three	O
dimensions	O
provide	O
more	O
information	O
than	O
can	O
be	O
gleaned	O
from	O
two-dimensional	O
panel	O
data	B-General_Concept
sets	I-General_Concept
.	O
</s>
<s>
Computer	O
software	O
for	O
MDA	O
include	O
Online	B-Application
analytical	I-Application
processing	I-Application
(	O
OLAP	B-Application
)	O
for	O
data	O
in	O
relational	B-Application
databases	I-Application
,	O
pivot	B-Application
tables	I-Application
for	O
data	O
in	O
spreadsheets	B-Application
,	O
and	O
Array	O
DBMSs	O
for	O
general	O
multi-dimensional	O
data	O
(	O
such	O
as	O
raster	O
data	O
)	O
in	O
science	O
,	O
engineering	O
,	O
and	O
business	O
.	O
</s>
