<s>
In	O
statistics	O
,	O
the	O
mean	B-General_Concept
integrated	I-General_Concept
squared	I-General_Concept
error	I-General_Concept
(	O
MISE	B-General_Concept
)	O
is	O
used	O
in	O
density	B-General_Concept
estimation	I-General_Concept
.	O
</s>
<s>
The	O
MISE	B-General_Concept
is	O
also	O
known	O
as	O
L2	O
risk	O
function	O
.	O
</s>
