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User:DexDor/Finding miscategorizations

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This page contains links to a category intersection tool (Petscan) to check whether there are pages at some combinations of namespace and high level categories. For a table showing which combinations of namespace and category are valid see User:DexDor/NSCat. For more information about how pages become miscategorized and how to fix them see User:DexDor/FHL.

The table shown below (in which the rows roughly correspond to the columns of the NSCat table) includes links to a category intersection tool that can identify any pages at certain combinations of namespace and category.

Category/ies[a] Namespace(s)[b] Query Notes
CA User PetScan This tends to find a lot of sandbox subpages that have been (prematurely) placed in article categories. It also finds user pages that are violations of WP:USERNOCAT (example fix) and user books that are categorized as community books. If the query could be restricted to only find non-subpages or to only find pages that have not been edited for a period (e.g. a week) it would be easier to identify pages that are priority to fix.
  Talk (most)
Wikipedia
Help etc
(not Template)
PetScan Just a few (e.g. Wikipedia:WikiProject Spoken Wikipedia) as of August 2016.
It's generally best to work on a subcategory of Category:Articles - e.g. Science, People.
  Template Petscan This query looks at a particular content (articles) category and excludes stub templates (Stub templates are in stub categories which are in article categories).
CA+CD Mainspace
User
Wikipedia
File
MediaWiki
Template
Help
Category
Portal
Book
...
Talk
PetScan As of August 2016 depth=4 has 326 pages (mostly in mainspace).
CB User
Almost every namespace (apart from Book, Category and Module Talk)
PetScan As of September 2016 at depth=5 this has 16 pages in User namespace.
CD Talk
File
Template
...
PetScan As of 17/8/2016 at depth=7 has 8 pages (e.g. Template:Expand).
CDr redirects Talk
File
Template
...
[?? PetScan] As of September 2016 at depth=??? has ?? pages - Does not work (PetScan selects things that aren't redirects).
CE Talk
Lots (excluding User, Wikipedia, Help, Category)
PetScan As of August 2016 at depth=7 has just two pages.
CF Mainspace PetScan Note: (As of August 2016) Category:Articles containing image maps puts some articles under Category:Wikipedia files. (As of September 2016) a query that excludes that category (PetScan) at depth=3 has 18 files.
CH File
MediaWiki
Portal
Book
Draft
Ed Prog
Most talk pages
PetScan  
  Mainspace x  
  Template x  
  Talk
User talk
Wikipedia talk
x  
CI Mainspace
MediaWiki
Book
Draft
Ed.Prog.
TimedText
Talk
...
PetScan As of September 2016 at depth=6 this has 288 pages (mostly in talk namespaces).
  Portal x  
CP (non-redirects) Mainspace
User
Help
Book
+???
PetScan As of March 2017 at depth=8 has 5 pages (e.g. sandboxes).
CP (redirects) User
MediaWiki
Help
Book
Draft
...
PetScan As of August 2016 at depth=7 has 3 pages (e.g. sandboxes).
CR+CD Mainspace
Other namespaces
PetScan As of August 2016 at depth=7 has 15 pages.
CT Mainspace
Book??
Portal??
...
PetScan As of August 2016 at depth=3 has 619 pages (including pages in Category:Ill-formatted IPAc-cmn transclusions - to be fixed).
CU Mainspace
Talk (excluding user talk, Wikipedia Talk)
Help
Portal
Book
Ed. Prog.
PetScan As of September 2016 at depth=8 this has 0 pages.
Book:WikiFauna
Wikipedia Talk
+
PetScan As of August 2016 at depth=7 this has 81 pages (e.g. via Category:Wikipedia Arbitration Committee archives).
CW Book
Portal
Topic
MediaWiki
Ed. Prog.
TimedText
PetScan As of September 2016 at depth=4 this has 153 pages (all in portal namespace - typically because a portal page transcludes a wikiproject page).

Notes

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  1. ^ For an expansion of the two-letter codes used here see User:DexDor/Namespaces_and_categories#Top-level_category_structure.
  2. ^ Some of the namespaces listed here are linked to information about how to fix the miscategorizations (at User:DexDor/FHL).

References

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