Difference between revisions of "SigmaXX Command"

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<noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude>
 
<noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude>
 
{{command|statistics}}
 
{{command|statistics}}
; SigmaXX[List of Numbers]: Calculates the sum of squares of the given numbers.
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; SigmaXX[ <List of Numbers> ]: Calculates the sum of squares of the given numbers.
 
:{{Example|1=In order to work out the variance of a list you may use <code>SigmaXX[list] / Length[list] - Mean[list]^2</code>.}}
 
:{{Example|1=In order to work out the variance of a list you may use <code>SigmaXX[list] / Length[list] - Mean[list]^2</code>.}}
; SigmaXX[List of Points]: Calculates the sum of squares of the ''x''-coordinates of the given points.
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; SigmaXX[ <List of Points> ]: Calculates the sum of squares of the ''x''-coordinates of the given points.
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{{betamanual|version=4.2|
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1=; SigmaXX[ <List of Numbers>, <List of Frequencies> ]
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: This allows the location of the Text to be specified.
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}}

Revision as of 12:15, 8 October 2012


SigmaXX[ <List of Numbers> ]
Calculates the sum of squares of the given numbers.
Example: In order to work out the variance of a list you may use SigmaXX[list] / Length[list] - Mean[list]^2.
SigmaXX[ <List of Points> ]
Calculates the sum of squares of the x-coordinates of the given points.
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