Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Notice: Unexpected clearActionName after getActionName already called in /var/www/html/w/includes/Context/RequestContext.php on line 321
data.tree - MaRDI portal

Deprecated: Use of MediaWiki\Skin\SkinTemplate::injectLegacyMenusIntoPersonalTools was deprecated in Please make sure Skin option menus contains `user-menu` (and possibly `notifications`, `user-interface-preferences`, `user-page`) 1.46. [Called from MediaWiki\Skin\SkinTemplate::getPortletsTemplateData in /var/www/html/w/includes/Skin/SkinTemplate.php at line 691] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of MediaWiki\Skin\BaseTemplate::getPersonalTools was deprecated in 1.46 Call $this->getSkin()->getPersonalToolsForMakeListItem instead (T422975). [Called from Skins\Chameleon\Components\NavbarHorizontal\PersonalTools::getHtml in /var/www/html/w/skins/chameleon/src/Components/NavbarHorizontal/PersonalTools.php at line 66] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

Deprecated: Use of QuickTemplate::(get/html/text/haveData) with parameter `personal_urls` was deprecated in MediaWiki Use content_navigation instead. [Called from MediaWiki\Skin\QuickTemplate::get in /var/www/html/w/includes/Skin/QuickTemplate.php at line 131] in /var/www/html/w/includes/Debug/MWDebug.php on line 372

data.tree (Q56055)

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General Purpose Hierarchical Data Structure
Language Label Description Also known as
English
data.tree
General Purpose Hierarchical Data Structure

    Statements

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    1.0.0
    3 August 2020
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    0.1.6
    10 April 2015
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    0.2.0-3
    7 September 2015
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    0.2.1
    9 September 2015
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    0.2.4
    24 October 2015
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    0.3.0
    13 February 2016
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    0.3.5
    31 March 2016
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    0.4.0
    4 July 2016
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    0.6.2
    24 November 2016
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    0.7.0
    6 January 2017
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    0.7.3
    10 September 2017
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    0.7.4
    6 January 2018
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    0.7.5
    6 March 2018
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    0.7.6
    16 June 2018
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    0.7.7
    23 September 2018
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    0.7.8
    24 September 2018
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    0.7.11
    9 November 2019
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    1.1.0
    12 November 2023
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    12 November 2023
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    Create tree structures from hierarchical data, and traverse the tree in various orders. Aggregate, cumulate, print, plot, convert to and from data.frame and more. Useful for decision trees, machine learning, finance, conversion from and to JSON, and many other applications.
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    Identifiers