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User:RC711

My name is Richard Collins, a retired Senior Mathematical Statistician. My career was in global population issues, particularly social and economic modelling, famine early warning, global climate change, alternative fuels, transportation issues, global technology issues. For the last twenty one years or so (2019) I have been studying the relation between the Internet and Society to see ways to improve the efficiency of the Internet. This is done under TheInternetFoundation.Org.

I study tens of thousands of topics, and I try many experiments. For the last decade and more I have been studying "gravity" on the Internet with particular focus on the people, organizations, technologies, methods, goals, and economic and social impacts of this small, but rapidly growing, group.

Sincere regards,

Richard Collins

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Edits

  • {{lookfrom|stellar}}
  • Stellar added list of astrophysics terms
  • Special:WhatLinksHere/Mathematics
  • [https://wikitech.wikimedia.org/wiki/Nova_Resource:Tools/Tools/Query_service Wikitech SQL queries]
  • [https://toolserver.org/~dispenser/cgi-bin/rdcheck.py/Cackling_goose Wikitech: List redirects to Cackling goose]

Wikipedia and Searching

categorytree and Database

  • [http://upload.wikimedia.org/wikipedia/commons/4/41/Mediawiki-database-schema.png? Schema] + [https://www.mediawiki.org/wiki/Category:MediaWiki_database_tables MediaWiki database tables] + [https://www.mediawiki.org/wiki/Manual:Page_table Manual:Page table] + [https://svn.wikimedia.org/viewvc/mediawiki/trunk/phase3/includes/Defines.php?view=log Database Constants]
  • Wikipedia:Categorization, [https://en.wikipedia.org/w/index.php?title=Special%3APrefixIndex&prefix=category+tree&namespace=10 listing category tree templates]
  • Template:Category_tree + Template:- + Template:clear + [https://www.mediawiki.org/wiki/Extension:CategoryTree Extension:CategoryTree] + [https://www.mediawiki.org/wiki/Manual:Pywikibot/category.py category.py] + [https://git.wikimedia.org/blob/pywikibot%2Fcompat.git/HEAD/category.py Source Code for CategoryTree, categorytreerobot]
  • {{tlx|Category tree}} – basic form, uses the name of the category page it is placed on
  • {{tlx|Category tree|title}} – uses title as the category page name
  • {{tlx|category tree all|2=mode=categories or pages or all or parents|3=depth=0, 1 or more|4=hideroot=on or off|5=showcount=on or off|7=header=user-defined header}} - see [http://www.mediawiki.org/wiki/Extension:CategoryTree mediawiki]
  • {{tlx|Category tree all|title}}

{{category tree all|Contents|mode=pages|hideroot=off|showcount=off|header=Click to see Category Tree for:}}

{{category tree all|Places|mode=pages|hideroot=off|showcount=off|header=Click to see Category Tree for:}}

{{category tree all|People|mode=pages|hideroot=off|showcount=off|header=Click to see Category Tree for:}}

{{category tree all|Birds of the United Kingdom|mode=pages|hideroot=off|showcount=off|header=Click to see Category Tree for:}}

{{clear}}

{{-}}

Div Style Category Tree

{{/Section header|Project categories}}

United States

WikiProject United States

  • List of {{subpages}}

Links

Category Intersection

{{hidden begin|title=Category Intersection Tests|titlestyle = background:#FFFFCC; text-align:center;}}

History of mathematics|Algebra

History of mathematics|History of chemistry

History of mathematics|Mathematicians

Statisticians|Mathematicians

Mathematicians

Mathematicians|Chemists

Mathematicians|Physicists

{{hidden end}}

Parent/Child Trees

{{category tree all|Texas|mode=parents|hideroot=off|showcount=off|header=Click to see Parent Tree for:}}

{{category tree all|Texas|mode=pages|hideroot=off|showcount=off|header=Click to see Child Tree for:}}

{{category tree all|Birds|mode=pages|hideroot=off|showcount=off|header=Click to see Child Tree for:}}

{{category tree all|Nondestructive testing|mode=parents|hideroot=off|showcount=off|header=Click to see Parent Tree for:}}

{{category tree all|Mathematics|mode=parents|hideroot=off|showcount=on|header=Click to see Parent Tree for:}}

{{category tree all|Mathematics|mode=pages|hideroot=off|showcount=on|header=Click to see Pages Tree for:}}

{{category tree all|Abstract algebra|mode=pages|hideroot=off|showcount=on|header=Click to see Pages Tree for:}}

{{category tree all|Mathematics|mode=subcategories|hideroot=off|showcount=on|header=Click to see Pages Tree for:}}

{{category tree all|Algebraic number theory|mode=parents|hideroot=off|showcount=on|header=Click to see Parent Tree for:}}

Classified Lists

{{User:RC711/Tree/Dispersion}}

{{User:RC711/Tree/Chemical}}