Difference between revisions of "Sample Command"

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<noinclude>{{Manual Page|version=4.2}}</noinclude>
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<noinclude>{{Manual Page|version=5.0}}</noinclude>{{command|cas=true|statistics}}
{{command|cas=true|statistics}}
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;Sample( <List>, <Size> )
;Sample[ <List>, <Size> ]
 
 
:Returns list of ''n'' randomly chosen elements of a list; elements can be chosen several times.
 
:Returns list of ''n'' randomly chosen elements of a list; elements can be chosen several times.
:{{example|1=<div><code><nowiki>Sample[{1, 2, 3, 4, 5}, 5]</nowiki></code> yields for example ''list1 = {1, 2, 1, 5, 4}''.</div>}}
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:{{example|1=<code><nowiki>Sample({1, 2, 3, 4, 5}, 5)</nowiki></code> yields for example ''list1 = {1, 2, 1, 5, 4}''.}}
  
  
;Sample[ <List>, <Size>, <With Replacement> ]
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;Sample( <List>, <Size>, <With Replacement> )
 
:Returns list of ''n'' randomly chosen elements of a list. Elements can be chosen several times if and only if the last parameter is true.
 
:Returns list of ''n'' randomly chosen elements of a list. Elements can be chosen several times if and only if the last parameter is true.
:{{example|1=<div><code><nowiki>Sample[{1, 2, 3, 4, 5}, 5, true]</nowiki></code> yields for example ''list1 = {2, 3, 3, 4, 5}''.</div>}}
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:{{example|1=<code><nowiki>Sample({1, 2, 3, 4, 5}, 5, true)</nowiki></code> yields for example ''list1 = {2, 3, 3, 4, 5}''.}}
  
  
==CAS Syntax==
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{{hint|1=
;Sample[ <List>, <Size> ]
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In the [[File:Menu view cas.svg|link=|16px]] [[CAS View]] the input list can contain different types of objects:
:Returns list of ''n'' randomly chosen elements of a list; elements can be chosen several times.
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:{{examples|1=<div>
:{{example|1=<div><code><nowiki>Sample[{-5, 2, a, 7, c}, 3]</nowiki></code> yields for example ''{a, 7, -5}''.</div>}}
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::*<code><nowiki>Sample({-5, 2, a, 7, c}, 3)</nowiki></code> yields for example ''{a, 7, -5}''.
 
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::*The list can include lists as well: Let ''List1'' be ''{1, 2, 3}'': <code><nowiki>Sample({List1, 4, 5, 6, 7, 8}, 3, false)</nowiki></code> yields for example ''{6, {1, 2, 3}, 4}''.</div>}}
 
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}}
;Sample[ <List>, <Size>, <With Replacement> ]
 
:Returns list of ''n'' randomly chosen elements of a list. Elements can be chosen several times if and only if the last parameter is true.
 
:{{example|1=<div>The list can include lists as well: Let ''List1'' be ''{1, 2, 3}''.<br /><code><nowiki>Sample[{List1, 4, 5, 6, 7, 8}, 3, false]</nowiki></code> yields for example ''{6, {1, 2, 3}, 4}''.</div>}}
 

Latest revision as of 09:03, 12 October 2017


Sample( <List>, <Size> )
Returns list of n randomly chosen elements of a list; elements can be chosen several times.
Example: Sample({1, 2, 3, 4, 5}, 5) yields for example list1 = {1, 2, 1, 5, 4}.


Sample( <List>, <Size>, <With Replacement> )
Returns list of n randomly chosen elements of a list. Elements can be chosen several times if and only if the last parameter is true.
Example: Sample({1, 2, 3, 4, 5}, 5, true) yields for example list1 = {2, 3, 3, 4, 5}.


Note Hint: In the Menu view cas.svg CAS View the input list can contain different types of objects:
Examples:
  • Sample({-5, 2, a, 7, c}, 3) yields for example {a, 7, -5}.
  • The list can include lists as well: Let List1 be {1, 2, 3}: Sample({List1, 4, 5, 6, 7, 8}, 3, false) yields for example {6, {1, 2, 3}, 4}.
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