<s>
The	O
Portable	B-Application
Format	I-Application
for	I-Application
Analytics	I-Application
(	O
PFA	O
)	O
is	O
a	O
JSON-based	O
predictive	B-General_Concept
model	I-General_Concept
interchange	O
format	O
conceived	O
and	O
developed	O
by	O
Jim	O
Pivarski	O
.	O
</s>
<s>
PFA	O
provides	O
a	O
way	O
for	O
analytic	O
applications	O
to	O
describe	O
and	O
exchange	O
predictive	B-General_Concept
models	I-General_Concept
produced	O
by	O
analytics	O
and	O
machine	O
learning	O
algorithms	O
.	O
</s>
<s>
It	O
supports	O
common	O
models	O
such	O
as	O
logistic	O
regression	O
and	O
decision	B-Algorithm
trees	I-Algorithm
.	O
</s>
<s>
As	O
a	O
predictive	B-General_Concept
model	I-General_Concept
interchange	O
format	O
developed	O
by	O
the	O
Data	O
Mining	O
Group	O
,	O
PFA	O
is	O
complementary	O
to	O
the	O
DMG	O
's	O
XML-based	O
standard	O
called	O
the	O
Predictive	B-Application
Model	I-Application
Markup	I-Application
Language	I-Application
or	O
PMML	B-Application
.	O
</s>
