selectRandomWeighted - Revision history

BrettMayson at 09:02, 2 January 2026

2026-01-02T09:02:40Z

← Older revision		Revision as of 11:02, 2 January 2026
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	\|s1= [[selectRandomWeighted]] valuesAndWeights		\|s1= [[selectRandomWeighted]] valuesAndWeights

	\|p1= valuesAndWeights: [[Array]] with [valueN, weightN]:		\|p1= valuesAndWeights: [[Array]] with [valueN, weightN]
	* valueN: [[Anything]] - weighted value		* valueN: [[Anything]] - weighted value
	* weightN: [[Number]] - values relative weight		* weightN: [[Number]] - values relative weight

BrettMayson at 08:56, 1 January 2026

2026-01-01T08:56:53Z

← Older revision		Revision as of 10:56, 1 January 2026
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	\|s1= [[selectRandomWeighted]] valuesAndWeights		\|s1= [[selectRandomWeighted]] valuesAndWeights

	\|p1= valuesAndWeights: [[Array]] ~~- array in format~~ [~~value1, weight1, value2, weight2~~, ~~...~~]~~, where~~:		\|p1= valuesAndWeights: [[Array]] with [valueN, weightN]:
	* ~~value~~: [[Anything]] - weighted value		* valueN: [[Anything]] - weighted value
	* ~~weight~~: [[Number]] - values relative weight		* weightN: [[Number]] - values relative weight

	\|r1= [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0		\|r1= [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0

Lou Montana: Some wiki formatting

2022-05-06T10:54:46Z

Some wiki formatting

← Older revision		Revision as of 12:54, 6 May 2022
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	* The weights don't have to total to 1		* The weights don't have to total to 1
	* If numbers of items and weights do not match, the shortest array is used		* If numbers of items and weights do not match, the shortest array is used
	* A single array Syntax is slightly faster ~~then~~ Alt Syntax		* A single array Syntax is slightly faster than Alt Syntax

	\|s1= [[selectRandomWeighted]] valuesAndWeights		\|s1= [[selectRandomWeighted]] valuesAndWeights

	\|p1= valuesAndWeights: [[Array]] - array in format [value1, weight1, value2, weight2...], where:~~<span>~~		\|p1= valuesAndWeights: [[Array]] - array in format [value1, weight1, value2, weight2, ...], where:
	* value: [[Anything]] - weighted value		* value: [[Anything]] - weighted value
	* weight: [[Number]] - values relative weight		* weight: [[Number]] - values relative weight
	~~</span>~~

	\|r1= [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0		\|r1= [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0
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	\|s2= values [[selectRandomWeighted]] weights		\|s2= values [[selectRandomWeighted]] weights

	\|p21= values: [[Array]] ~~- array~~ of [[Anything]]		\|p21= values: [[Array]] of [[Anything]]
	\|p22= weights: [[Array]] ~~- array~~ of [[Number]]s
			\|p22= weights: [[Array]] of [[Number]]s

	\|r2= [[Anything]] - random weighted value or [[Nothing]] if any of arrays is empty or all weights are 0		\|r2= [[Anything]] - random weighted value or [[Nothing]] if any of arrays is empty or all weights are 0

	\|x1= <~~code~~>_randomWeightedElement = [[selectRandomWeighted]] [1,0.1,2,0.2,3,1.3,4,2.4,5,7.5];</~~code~~>		\|x1= <sqf>private _randomWeightedElement = selectRandomWeighted [1,0.1,2,0.2,3,1.3,4,2.4,5,7.5];</sqf>

	\|x2= <~~code~~>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</~~code~~>		\|x2= <sqf>private _randomWeightedElement = [1,2,3,4,5] selectRandomWeighted [0.1,0.2,1.3,2.4,7.5];</sqf>

	\|seealso= [[random]] [[select]] [[selectRandom]] [[selectMin]] [[selectMax]]		\|seealso= [[random]] [[select]] [[selectRandom]] [[selectMin]] [[selectMax]]
	}}		}}

	~~<dl class~~=~~"command_description">~~		{{Note
			\|user= Killzone_Kid
	~~<dt></dt>~~		\|timestamp= 20170626191700
	~~<dd class~~=~~"notedate">Posted on June 26, 2017 - 19:17 (UTC)</dd>~~		\|text= A 100000 runs of the following code:
	~~<dt class="note">[[User:Killzone Kid~~\|~~Killzone Kid]]</dt>~~		<sqf>
	~~<dd class~~=~~"note">~~A 100000 runs of the following code:		_values = [0,1,2,3,4,5,6,7,8,9];
	<~~code~~>_values = [0,1,2,3,4,5,6,7,8,9];
	_weights = [0.109,0.65,0.01,1.01,1.24,0,1.59,0.09,1.15,0.55];		_weights = [0.109,0.65,0.01,1.01,1.24,0,1.59,0.09,1.15,0.55];
	_result = _values [[selectRandomWeighted]] _weights;</~~code~~>		_result = _values selectRandomWeighted _weights;
			</sqf>
	Gave this result:		Gave this result:
	<pre>0 - 0		<pre>
			0 - 0
	0.01 - 144		0.01 - 144
	0.09 - 1409		0.09 - 1409
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	1.15 - 18059		1.15 - 18059
	1.24 - 19518		1.24 - 19518
	1.59 - 24769</pre>		1.59 - 24769
	~~</dd>~~		</pre>
			}}
	~~</dl>~~

Lou Montana: Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

2022-01-20T16:53:07Z

Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

← Older revision		Revision as of 18:53, 20 January 2022
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	\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>		\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>

	\|seealso= [[random]] [[select]] [[selectRandom]] [[selectMin]], [[selectMax]]		\|seealso= [[random]] [[select]] [[selectRandom]] [[selectMin]] [[selectMax]]
	}}		}}

Lou Montana: Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

2022-01-20T16:47:29Z

Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

← Older revision		Revision as of 18:47, 20 January 2022
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	\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>		\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>

	\|seealso= [[random]] [[select]] [[selectRandom]], [[selectMin]], [[selectMax]]		\|seealso= [[random]] [[select]] [[selectRandom]] [[selectMin]], [[selectMax]]
	}}		}}

Lou Montana: Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

2022-01-20T16:43:20Z

Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

← Older revision		Revision as of 18:43, 20 January 2022
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	\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>		\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>

	\|seealso= [[random]] [[select]], [[selectRandom]], [[selectMin]], [[selectMax]]		\|seealso= [[random]] [[select]] [[selectRandom]], [[selectMin]], [[selectMax]]
	}}		}}

Lou Montana: Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

2022-01-20T16:39:40Z

Text replacement - "\|seealso= *\[\[([^ ]+)\]\], \[\[([^ ]+)\]\]" to "|seealso= $1 $2"

← Older revision		Revision as of 18:39, 20 January 2022
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	\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>		\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>

	\|seealso= [[random]], [[select]], [[selectRandom]], [[selectMin]], [[selectMax]]		\|seealso= [[random]] [[select]], [[selectRandom]], [[selectMin]], [[selectMax]]
	}}		}}

Lou Montana: Text replacement - " " to " "

2021-06-13T15:08:56Z

Text replacement - "</dd> </dl>" to "</dd> </dl>"

← Older revision		Revision as of 17:08, 13 June 2021
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	1.59 - 24769</pre>		1.59 - 24769</pre>
	</dd>		</dd>

	</dl>		</dl>

Lou Montana: Some wiki formatting

2021-06-12T18:04:27Z

Some wiki formatting

← Older revision		Revision as of 20:04, 12 June 2021
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	{{RV\|type=command		{{RV\|type=command

	\|arma3		\|game1= arma3
	\|1.76		\|version1= 1.76

	\|gr1= Arrays		\|gr1= Arrays

	\|Returns a random element from the given array according to assigned weights. Engine solution to [[BIS_fnc_selectRandomWeighted]]. A few notes:		\|descr= Returns a random element from the given array according to assigned weights. Engine solution to [[BIS_fnc_selectRandomWeighted]]. A few notes:
	* Negative weights are not supported		* Negative weights are not supported
	* If an item's weight is 0, the item is ignored		* If an item's weight is 0, the item is ignored
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	* A single array Syntax is slightly faster then Alt Syntax		* A single array Syntax is slightly faster then Alt Syntax

	\|~~'''~~selectRandomWeighted~~'''~~ valuesAndWeights		\|s1= [[selectRandomWeighted]] valuesAndWeights

	\|p1= valuesAndWeights: [[Array]] - array in format [value1, weight1, value2, weight2...], where:<span>		\|p1= valuesAndWeights: [[Array]] - array in format [value1, weight1, value2, weight2...], where:<span>
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	</span>		</span>

	\| [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0		\|r1= [[Anything]] - random weighted value or [[Nothing]] if array is empty or all weights are 0

	\|s2= values ~~'''~~selectRandomWeighted~~'''~~ weights		\|s2= values [[selectRandomWeighted]] weights

	\|p21= values: [[Array]] - array of [[Anything]]		\|p21= values: [[Array]] - array of [[Anything]]
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	\|x1= <code>_randomWeightedElement = [[selectRandomWeighted]] [1,0.1,2,0.2,3,1.3,4,2.4,5,7.5];</code>		\|x1= <code>_randomWeightedElement = [[selectRandomWeighted]] [1,0.1,2,0.2,3,1.3,4,2.4,5,7.5];</code>

	\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>		\|x2= <code>_randomWeightedElement = [1,2,3,4,5] [[selectRandomWeighted]] [0.1,0.2,1.3,2.4,7.5];</code>

	\|seealso= [[random]], [[select]], [[selectRandom]], [[selectMin]], [[selectMax]]		\|seealso= [[random]], [[select]], [[selectRandom]], [[selectMin]], [[selectMax]]
	}}		}}

	<dl class="command_description">		<dl class="command_description">

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	1.15 - 18059		1.15 - 18059
	1.24 - 19518		1.24 - 19518
	1.59 - 24769 </pre>		1.59 - 24769</pre>
	</dd>		</dd>
	</dl>		</dl>

Lou Montana: Text replacement - "

" to "

"

2021-06-12T12:34:11Z

Text replacement - "<dl class="command_description"> <dt></dt>" to "<dl class="command_description"> <dt></dt>"

← Older revision		Revision as of 14:34, 12 June 2021
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	}}		}}
	<dl class="command_description">		<dl class="command_description">

	<dt></dt>		<dt></dt>
	<dd class="notedate">Posted on June 26, 2017 - 19:17 (UTC)</dd>		<dd class="notedate">Posted on June 26, 2017 - 19:17 (UTC)</dd>