<s>
Mondrian	B-Application
is	O
a	O
general-purpose	O
statistical	O
data-visualization	O
system	O
,	O
for	O
interactive	O
data	B-Application
visualization	I-Application
.	O
</s>
<s>
All	O
plots	O
in	O
Mondrian	B-Application
are	O
fully	O
linked	O
,	O
and	O
offer	O
various	O
interactions	O
and	O
queries	O
.	O
</s>
<s>
Any	O
case	O
selected	O
in	O
a	O
plot	O
in	O
Mondrian	B-Application
is	O
highlighted	O
in	O
all	O
other	O
plots	O
.	O
</s>
<s>
Currently	O
implemented	O
plots	O
comprise	O
Mosaic	B-Application
Plot	I-Application
,	O
Scatterplots	B-Application
and	O
SPLOM	O
,	O
Maps	O
,	O
Barcharts	B-Application
,	O
Histograms	B-Algorithm
,	O
Missing	O
Value	O
Plot	O
,	O
Parallel	O
Coordinates/Boxplots	O
and	O
Boxplots	B-Application
y	O
by	O
x	O
.	O
</s>
<s>
Mondrian	B-Application
works	O
with	O
data	O
in	O
standard	O
tab-delimited	O
or	O
comma-separated	O
ASCII	O
files	O
and	O
can	O
load	O
data	O
from	O
R	B-Language
workspaces	O
.	O
</s>
<s>
Mondrian	B-Application
links	O
to	O
R	B-Language
and	O
offers	O
statistical	O
procedures	O
like	O
interactive	O
density	B-General_Concept
estimation	I-General_Concept
,	O
scatterplot	B-Application
smoothers	I-Application
,	O
multidimensional	O
scaling	O
(	O
MDS	O
)	O
and	O
principal	B-Application
component	I-Application
analysis	I-Application
(	O
PCA	O
)	O
.	O
</s>
<s>
Starting	O
in	O
1997	O
,	O
Mondrian	B-Application
was	O
first	O
developed	O
with	O
a	O
focus	O
on	O
visualization	O
techniques	O
for	O
categorical	O
data	O
and	O
enhanced	O
selection	O
techniques	O
.	O
</s>
<s>
The	O
link	O
to	O
R	B-Language
offers	O
well	O
tested	O
statistical	O
procedures	O
,	O
which	O
integrate	O
seamlessly	O
into	O
the	O
interactive	O
graphics	O
.	O
</s>
<s>
Mondrian	B-Application
works	O
on	O
plain	O
text	O
files	O
with	O
tab-separated	O
columns	O
with	O
variable	O
header	O
,	O
as	O
exported	O
from	O
Microsoft	B-Application
Excel	I-Application
as	O
"	O
.txt	O
"	O
.	O
</s>
<s>
If	O
the	O
Rserve	O
link	O
and	O
R	B-Language
are	O
present	O
,	O
Mondrian	B-Application
also	O
reads	O
data	O
directly	O
from	O
R	B-Language
workspace	O
files	O
(	O
.RData	O
files	O
)	O
.	O
</s>
<s>
Mondrian	B-Application
supports	O
Query	O
,	O
Select	O
,	O
and	O
Modify	O
.	O
</s>
