<s>
Dap	B-Application
is	O
a	O
statistics	O
and	O
graphics	O
program	O
based	O
on	O
the	O
C	B-Language
programming	I-Language
language	I-Language
that	O
performs	O
data	O
management	O
,	O
analysis	O
,	O
and	O
C-style	O
graphical	O
visualization	O
tasks	O
without	O
requiring	O
complex	O
syntax	O
.	O
</s>
<s>
Dap	B-Application
was	O
written	O
to	O
be	O
a	O
free	O
replacement	O
for	O
SAS	B-Language
,	O
but	O
users	O
are	O
assumed	O
to	O
have	O
a	O
basic	O
familiarity	O
with	O
the	O
C	B-Language
programming	I-Language
language	I-Language
in	O
order	O
to	O
permit	O
greater	O
flexibility	O
.	O
</s>
<s>
However	O
,	O
even	O
with	O
its	O
clear	O
benefits	O
,	O
Dap	B-Application
has	O
n't	O
been	O
updated	O
since	O
2014	O
and	O
has	O
n't	O
seen	O
widespread	O
use	O
when	O
compared	O
to	O
other	O
statistical	O
analysis	O
programs	O
.	O
</s>
<s>
Dap	B-Application
is	O
a	O
command	O
line	O
driven	O
program	O
.	O
</s>
<s>
Below	O
are	O
various	O
features	O
that	O
DAP	B-Application
can	O
perform	O
.	O
</s>
<s>
DAP	B-Application
can	O
compute	O
means	O
and	O
percentiles	O
,	O
correlation	O
,	O
&	O
ANOVA	O
from	O
data	O
sets	O
.	O
</s>
<s>
This	O
includes	O
Unbalanced	O
as	O
well	O
as	O
Crossed	O
,	O
Nested	O
ANOVA	B-General_Concept
.	I-General_Concept
</s>
<s>
It	O
can	O
also	O
be	O
used	O
to	O
create	O
scatterplots	B-Application
,	O
line	O
graphs	O
and	O
histograms	B-Algorithm
of	O
data	O
.	O
</s>
<s>
This	O
can	O
include	O
split	B-General_Concept
plots	I-General_Concept
,	O
treatment	O
combinations	O
,	O
as	O
well	O
as	O
latin	O
squares	O
.	O
</s>
<s>
DAP	B-Application
can	O
perform	O
linear	B-General_Concept
regression	I-General_Concept
and	O
can	O
utilize	O
regressions	O
to	O
build	O
linear	B-Algorithm
models	I-Algorithm
.	O
</s>
<s>
In	O
addition	O
to	O
linear	B-General_Concept
regression	I-General_Concept
,	O
DAP	B-Application
can	O
also	O
perform	O
logistic	O
regression	O
analysis	O
as	O
well	O
.	O
</s>
<s>
There	O
's	O
a	O
variety	O
of	O
other	O
analysis	O
that	O
DAP	B-Application
can	O
do	O
as	O
well	O
including	O
building	O
loglinear	O
models	O
as	O
well	O
as	O
Logit	O
models	O
for	O
linear-by-linear	O
association	O
.	O
</s>
<s>
In	O
terms	O
of	O
models	O
,	O
DAP	B-Application
can	O
create	O
mixed	O
balanced	O
and	O
unbalanced	O
models	O
as	O
well	O
as	O
random	O
unbalanced	O
models	O
.	O
</s>
<s>
It	O
has	O
been	O
designed	O
so	O
as	O
to	O
cope	O
with	O
very	O
large	O
data	O
sets	O
;	O
even	O
when	O
the	O
size	O
of	O
the	O
data	O
exceeds	O
the	O
size	O
of	O
the	O
computer	O
's	O
memory	B-General_Concept
due	O
to	O
the	O
fact	O
that	O
the	O
program	O
processes	O
files	O
one	O
line	O
at	O
a	O
time	O
rather	O
than	O
reading	O
entire	O
files	O
into	O
memory	B-General_Concept
.	O
</s>
