Programmer Guide/Command Reference/EVAL/shuffle - Revision history

Christian at 18:07, 21 April 2011

2011-04-21T18:07:24Z

← Older revision		Revision as of 20:07, 21 April 2011
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	::''once''≠0: the number of exchanges of a row is limited to 1		::''once''≠0: the number of exchanges of a row is limited to 1
	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator which generates the indices of the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator which generates the indices of the rows to be exchanged
	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''~~shuffeld~~'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffled'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.
	;See also: [[../rand\|rand]], [[../grand\|grand]], [[../sample\|sample]], [[../sort\|sort]]		;See also: [[../rand\|rand]], [[../grand\|grand]], [[../sample\|sample]], [[../sort\|sort]]

	[[../#Functions\|<function list>]]		[[../#Functions\|<function list>]]

Christian at 18:07, 21 April 2011

2011-04-21T18:07:04Z

← Older revision		Revision as of 20:07, 21 April 2011
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	;Usage: <code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>		;Usage: <code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>
	:;''x'': the set to be shuffled; must be a vector or matrix		:;''x'': the set to be shuffled; must be a vector or matrix
	:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)		:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2</code>)
	:;''once'': change row position only once		:;''once'': change row position only once
	::''once''=0: the number of exchanges of a row is not limited		::''once''=0: the number of exchanges of a row is not limited

193.171.195.48 at 10:49, 21 April 2011

2011-04-21T10:49:30Z

← Older revision		Revision as of 12:49, 21 April 2011
Line 7:		Line 7:
	::''once''=0: the number of exchanges of a row is not limited		::''once''=0: the number of exchanges of a row is not limited
	::''once''≠0: the number of exchanges of a row is limited to 1		::''once''≠0: the number of exchanges of a row is limited to 1
	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator ~~used to select~~ the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator which generates the indices of the rows to be exchanged
	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.
	;See also: [[../rand\|rand]], [[../grand\|grand]], [[../sample\|sample]], [[../sort\|sort]]		;See also: [[../rand\|rand]], [[../grand\|grand]], [[../sample\|sample]], [[../sort\|sort]]

	[[../#Functions\|<function list>]]		[[../#Functions\|<function list>]]

193.171.195.48 at 10:48, 21 April 2011

2011-04-21T10:48:47Z

← Older revision		Revision as of 12:48, 21 April 2011
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	:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)		:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)
	:;''once'': change row position only once		:;''once'': change row position only once
	::''once''==0: the number of exchanges of a row is not limited		::''once''=0: the number of exchanges of a row is not limited
	::''once''!=0: the number of exchanges of a row is limited to 1		::''once''≠0: the number of exchanges of a row is limited to 1
	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged
	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.

193.171.195.48 at 10:48, 21 April 2011

2011-04-21T10:48:22Z

← Older revision		Revision as of 12:48, 21 April 2011
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	{{DISPLAYTITLE:{{SUBPAGENAME}}}}		{{DISPLAYTITLE:{{SUBPAGENAME}}}}
	Create a ''shuffled'' version of a set.		Create a ''shuffled'' version of a set.
			;Usage: <code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>
	;Usage: ~~'''~~<code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>~~'''~~
	:;''x'': the set to be shuffled; must be a vector or matrix		:;''x'': the set to be shuffled; must be a vector or matrix
	:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)		:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)
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	::''once''!=0: the number of exchanges of a row is limited to 1		::''once''!=0: the number of exchanges of a row is limited to 1
	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged

	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.
			;See also: [[../rand\|rand]], [[../grand\|grand]], [[../sample\|sample]], [[../sort\|sort]]

	~~;See also:~~ [[~~Programmer_Guide~~/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/grand\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]], [[Programmer_Guide/Command_Reference/EVAL/sort\|sort]]		[[../#Functions\|<function list>]]

	~~[[Programmer_Guide/Command_Reference/EVAL~~#Functions\|<function list>]]

Toni at 08:07, 11 April 2011

2011-04-11T08:07:33Z

← Older revision		Revision as of 10:07, 11 April 2011
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	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.

	;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/~~sample~~\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/grand\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]], [[Programmer_Guide/Command_Reference/EVAL/sort\|sort]]

	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

Toni at 15:09, 8 April 2011

2011-04-08T15:09:19Z

← Older revision		Revision as of 17:09, 8 April 2011
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	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged

	;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') ~~randomized~~.		;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomly. To shuffle the row indices, ''n'' times two randomly selected rows are exchanged.

	;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]]		;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]]

	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

Toni at 15:06, 8 April 2011

2011-04-08T15:06:13Z

← Older revision		Revision as of 17:06, 8 April 2011
Line 5:		Line 5:
	:;''x'': the set to be shuffled; must be a vector or matrix		:;''x'': the set to be shuffled; must be a vector or matrix
	:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)		:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)
	:;''once'': ~~if not equal~~ ''0'' the ~~position~~ of a row ~~must~~ not ~~be changed more than 1 times, otherwise~~ the number of ~~position changes~~ of a row is ~~not~~ limited		:;''once'': change row position only once
			::''once''==0: the number of exchanges of a row is not limited
			::''once''!=0: the number of exchanges of a row is limited to 1
	:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged		:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged

			;Result: The result has the same type and content as ''x'', but the order of the rows is changed (''shuffeld'') randomized.

	~~;Result: A vector with length ''m'', containing the indices of the selected elements of the set.~~		;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|grand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|sample]]
	~~:It is assumed that the set is indexed from 0 to ''n''-1 (i.e. the number of elements). The result vector can be applied as an index list on the set to extract the corresponding elements.~~

	;See also: [[Programmer_Guide/Command_Reference/EVAL/rand\|rand]], [[Programmer_Guide/Command_Reference/EVAL/sample\|grand]], [[Programmer_Guide/Command_Reference/EVAL/~~shuffle~~\|~~shuffle~~]]

	[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]		[[Programmer_Guide/Command_Reference/EVAL#Functions\|<function list>]]

Toni at 15:00, 8 April 2011

2011-04-08T15:00:16Z

← Older revision		Revision as of 17:00, 8 April 2011
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	:;''x'': the set to be shuffled; must be a vector or matrix		:;''x'': the set to be shuffled; must be a vector or matrix
	:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)		:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)
	:;''~~oncem~~'': the ~~size~~ of the ~~random sample~~; ~~<code>0 <~~ ''m'' < ''n''~~</code>~~		:;''once'': if not equal ''0'' the position of a row must not be changed more than 1 times, otherwise the number of position changes of a row is not limited
			:;''seed'': if this value is not equal ''0'', it is used to initialize the random number generator used to select the rows to be exchanged


	;Result: A vector with length ''m'', containing the indices of the selected elements of the set.		;Result: A vector with length ''m'', containing the indices of the selected elements of the set.
	:It is assumed that the set is indexed from 0 to ''n''-1 (i.e. the number of elements). The result vector can be applied as an index list on the set to extract the corresponding elements.		:It is assumed that the set is indexed from 0 to ''n''-1 (i.e. the number of elements). The result vector can be applied as an index list on the set to extract the corresponding elements.

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Create a ''shuffled'' version of a set. ;Usage: '''`shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})`''' :;''x'': the set to be shuf…'

2011-04-08T14:56:22Z

Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Create a ''shuffled'' version of a set. ;Usage: '''<code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>''' :;''x'': the set to be shuf…'

New page

{{DISPLAYTITLE:{{SUBPAGENAME}}}}
Create a ''shuffled'' version of a set.

;Usage: '''<code>shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})</code>'''
:;''x'': the set to be shuffled; must be a vector or matrix
:;''n'': the number of row exchanges applied top ''x''; <code>0 < ''n''</code> (default=<code>nrow(''x'')/2)
:;''oncem'': the size of the random sample; <code>0 < ''m'' < ''n''</code>
;Result: A vector with length ''m'', containing the indices of the selected elements of the set.
:It is assumed that the set is indexed from 0 to ''n''-1 (i.e. the number of elements). The result vector can be applied as an index list on the set to extract the corresponding elements.

;See also: [[Programmer_Guide/Command_Reference/EVAL/rand|rand]], [[Programmer_Guide/Command_Reference/EVAL/sample|grand]], [[Programmer_Guide/Command_Reference/EVAL/shuffle|shuffle]]

[[Programmer_Guide/Command_Reference/EVAL#Functions|<function list>]]

Programmer Guide/Command Reference/EVAL/shuffle - Revision history

Christian at 18:07, 21 April 2011

Christian at 18:07, 21 April 2011

193.171.195.48 at 10:49, 21 April 2011

193.171.195.48 at 10:48, 21 April 2011

193.171.195.48 at 10:48, 21 April 2011

Toni at 08:07, 11 April 2011

Toni at 15:09, 8 April 2011

Toni at 15:06, 8 April 2011

Toni at 15:00, 8 April 2011

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Create a ''shuffled'' version of a set. ;Usage: '''shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})''' :;''x'': the set to be shuf…'

Toni: Created page with '{{DISPLAYTITLE:{{SUBPAGENAME}}}} Create a ''shuffled'' version of a set. ;Usage: '''`shuffle(''x'' {, ''n'' {, ''once'' { ''seed''}}})`''' :;''x'': the set to be shuf…'