<s>
In	O
statistics	O
,	O
the	O
Nemenyi	B-General_Concept
test	I-General_Concept
is	O
a	O
post-hoc	O
test	O
intended	O
to	O
find	O
the	O
groups	O
of	O
data	O
that	O
differ	O
after	O
a	O
global	O
statistical	O
test	O
(	O
such	O
as	O
the	O
Friedman	B-General_Concept
test	I-General_Concept
)	O
has	O
rejected	O
the	O
null	B-General_Concept
hypothesis	I-General_Concept
that	O
the	O
performance	O
of	O
the	O
comparisons	O
on	O
the	O
groups	O
of	O
data	O
is	O
similar	O
.	O
</s>
