StandardDeviation (GenericNamedArraylist function) - Revision history

JAL2: /* Usage notes */

2012-07-16T20:09:04Z

Usage notes

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	<ul>		<ul>
	<li>The optional <var class="term">itemFunction</var> parameter lets you further manipulate the collection item values		<li>The optional <var class="term">itemFunction</var> parameter lets you further manipulate the collection item values
	before calculating the ~~average~~.		before calculating the standard deviation.
	If your collection items are not intrinsic values, you must specify a function that can map the item values to intrinsic values or the method will fail.		If your collection items are not intrinsic values, you must specify a function that can map the item values to intrinsic values or the method will fail.
	<p>		<p>

JAL2: /* Usage notes */

2012-07-16T20:05:05Z

Usage notes

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	If your collection items are not intrinsic values, you must specify a function that can map the item values to intrinsic values or the method will fail.		If your collection items are not intrinsic values, you must specify a function that can map the item values to intrinsic values or the method will fail.
	<p>		<p>
	For an example, see the <var>Arraylist</var> <var>StandardDeviation</var> [[StandardDeviation (Arraylist function)#Usage notes\|"Usage notes"]] section.		For an example, see the <var>Arraylist</var> <var>StandardDeviation</var> [[StandardDeviation (Arraylist function)#Usage notes\|"Usage notes"]] section. </p>
	</ul>		</ul>

JAL2: /* Usage notes */

2012-07-16T20:04:36Z

Usage notes

← Older revision		Revision as of 20:04, 16 July 2012
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	==Usage notes==		==Usage notes==
			<ul>
			<li>The optional <var class="term">itemFunction</var> parameter lets you further manipulate the collection item values
			before calculating the average.
			If your collection items are not intrinsic values, you must specify a function that can map the item values to intrinsic values or the method will fail.
			<p>
			For an example, see the <var>Arraylist</var> <var>StandardDeviation</var> [[StandardDeviation (Arraylist function)#Usage notes\|"Usage notes"]] section.
			</ul>

	==Examples==		==Examples==

JAL2: /* Examples */

2012-07-16T19:54:22Z

Examples

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	==Examples==		==Examples==
			This request calculates the standard deviation of the items in a <var>NamedArraylist</var>:
	<p class="code">b		<p class="code">b
	%nl is namedarrayList of float		%nl is namedarrayList of float

JAL2: /* Syntax terms */

2012-07-16T19:45:01Z

Syntax terms

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	<tr><th>anyNal</th>		<tr><th>anyNal</th>
	<td>An <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>		<td>A <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>

	<tr><th>itemFunction</th>		<tr><th>itemFunction</th>

JAL2: /* Examples */

2012-07-12T22:20:06Z

Examples

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 ==Examples==
 ==See also==
 {{Template:GenericNamedArraylist:StandardDeviation footer}}

JAL2: /* Syntax terms */

2012-07-12T21:28:49Z

Syntax terms

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	<table class="syntaxTable">		<table class="syntaxTable">
	<tr><th>%number</th>		<tr><th>%number</th>
	<td>~~number~~</td></tr>		<td>A <var>Float</var> variable to contain the numeric result.</td></tr>

	<tr><th>anyNal</th>		<tr><th>anyNal</th>

JAL2 at 21:18, 12 July 2012

2012-07-12T21:18:23Z

← Older revision		Revision as of 21:18, 12 July 2012
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	{{Template:GenericNamedArraylist:StandardDeviation subtitle}}		{{Template:GenericNamedArraylist:StandardDeviation subtitle}}

	This method returns by default the standard deviation of the values of the items in the collection, or ~~it returns~~ the standard deviation ~~of the items~~ after a specified function has been applied to ~~them~~.		This method returns by default the standard deviation of the values of the items in the collection, or the standard deviation after a specified function has been applied to the items.

			The standard deviation measures the variation from the mean of the collection items; it is the square root of the collection's variance.

	==Syntax==		==Syntax==

JAL2 at 20:32, 12 July 2012

2012-07-12T20:32:47Z

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	{{Template:GenericNamedArraylist:StandardDeviation subtitle}}		{{Template:GenericNamedArraylist:StandardDeviation subtitle}}

	This ~~page is [[under construction]]~~.		This method returns by default the standard deviation of the values of the items in the collection, or it returns the standard deviation of the items after a specified function has been applied to them.

	==Syntax==		==Syntax==
	{{Template:GenericNamedArraylist:StandardDeviation syntax}}		{{Template:GenericNamedArraylist:StandardDeviation syntax}}

	===Syntax terms===		===Syntax terms===
	<table class="syntaxTable">		<table class="syntaxTable">
	<tr><th>%number</th><td>number</td></tr>		<tr><th>%number</th>
			<td>number</td></tr>

	<tr><th>anyNal</th>		<tr><th>anyNal</th>
	<td>An <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>		<td>An <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>

	<tr><th>itemFunction</th>		<tr><th>itemFunction</th>
	<td>A function that operates on the type of the items in the collection. It may be a [[Local and Common entities#Defining and invoking a local method\|local method]] or [[Method variables\|method variable]] or a class member (<var>Variable</var>, <var>Property</var>), and it must return an [[Intrinsic classes\|intrinsic]] (probably <var>Float</var>) value.		<td>A function that operates on the type of the items in the collection. It may be a [[Local and Common entities#Defining and invoking a local method\|local method]] or [[Method variables\|method variable]] or a class member (<var>Variable</var>, <var>Property</var>), and it must return an [[Intrinsic classes\|intrinsic]] (probably <var>Float</var>) value.
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	==Usage notes==		==Usage notes==

	==Examples==		==Examples==

	==See also==		==See also==
	{{Template:GenericNamedArraylist:StandardDeviation footer}}		{{Template:GenericNamedArraylist:StandardDeviation footer}}

JAL2: /* Syntax terms */

2012-07-12T20:14:28Z

Syntax terms

← Older revision		Revision as of 20:14, 12 July 2012
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	<td>An <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>		<td>An <var>FloatNamedArraylist</var>, <var>NamedArraylist</var>, or <var>UnicodeNamedArraylist</var> object.</td></tr>
	<tr><th>itemFunction</th>		<tr><th>itemFunction</th>
	<td><var>~~ItemFunction~~</var> ~~object~~</td></tr>		<td>A function that operates on the type of the items in the collection. It may be a [[Local and Common entities#Defining and invoking a local method\|local method]] or [[Method variables\|method variable]] or a class member (<var>Variable</var>, <var>Property</var>), and it must return an [[Intrinsic classes\|intrinsic]] (probably <var>Float</var>) value.
			<p>
			The default <var class="term">itemFunction</var> value is the special identity function, <var>This</var>, which simply returns the item value.</p></td></tr>
	</table>		</table>