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Averages/Median: Difference between revisions
smalltalk
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Line 193:
p median([5,4,2,3]) # => 3.5
p median([3,4,1,-8.4,7.2,4,1,1.2]) # => 2.1</lang>
=={{header|Smalltalk}}==
{{works with|GNU Smalltalk}}
<lang smalltalk>OrderedCollection extend [
median [
self size = 0
ifFalse: [ |s l|
l := self size.
s := self asSortedCollection.
(l rem: 2) = 0
ifTrue: [ ^ ((s at: (l//2 + 1)) + (s at: (l//2))) / 2 ]
ifFalse: [ ^ s at: (l//2 + 1) ]
]
ifTrue: [ ^nil ]
]
].</lang>
<lang smalltalk>{ 4.1 . 5.6 . 7.2 . 1.7 . 9.3 . 4.4 . 3.2 } asOrderedCollection
median displayNl.
{ 4.1 . 7.2 . 1.7 . 9.3 . 4.4 . 3.2 } asOrderedCollection
median displayNl.</lang>
=={{header|Tcl}}==
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