<s>
In	O
statistical	O
theory	O
,	O
the	O
Pitman	B-General_Concept
closeness	I-General_Concept
criterion	I-General_Concept
,	O
named	O
after	O
E	O
.	O
J	O
.	O
G	O
.	O
Pitman	O
,	O
is	O
a	O
way	O
of	O
comparing	O
two	O
candidate	O
estimators	O
for	O
the	O
same	O
parameter	O
.	O
</s>
