<s>
In	O
statistics	O
,	O
quantile	B-General_Concept
normalization	I-General_Concept
is	O
a	O
technique	O
for	O
making	O
two	O
distributions	O
identical	O
in	O
statistical	O
properties	O
.	O
</s>
<s>
Quantile	B-General_Concept
normalization	I-General_Concept
is	O
frequently	O
used	O
in	O
microarray	O
data	O
analysis	O
.	O
</s>
<s>
It	O
was	O
introduced	O
as	O
quantile	O
standardization	O
and	O
then	O
renamed	O
as	O
quantile	B-General_Concept
normalization	I-General_Concept
.	O
</s>
