Covariance

Quality:

Covariance - measure of the joint variability of two random variables. Article "Covariance" in English Wikipedia has 46.4 points for quality (as of November 1, 2023). The article contains 20 references and 27 sections.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that language version.

Achievements in all the time:
Global Wikipedia:
The 9654th most popular in all topics.

In October 2023 the article "Covariance" was edited by 4 authors in English Wikipedia and written by 10 authors in all languages.

Since the creation of article "Covariance", its content was written by 211 registered users of English Wikipedia and edited by 1015 registered Wikipedia users in all languages.

The article is cited 226 times in English Wikipedia and cited 1571 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #471 in January 2003
  • Global: #1310 in January 2003

The highest popularity rank from 2008:

  • Local (English): #4734 in October 2014
  • Global: #5613 in April 2015

There are 36 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from November 1, 2023 (including revision history and pageviews for previous years).

下表顯示了最高品質的文章的語言版本。

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Covariance
46.4273
2Finnish (fi)
Kovarianssi
36.9992
3Ukrainian (uk)
Коваріація
28.711
4Romanian (ro)
Covarianță
25.2633
5German (de)
Kovarianz (Stochastik)
24.194
6Persian (fa)
کوواریانس
20.9129
7Chinese (zh)
协方差
20.3592
8Portuguese (pt)
Covariância
19.5673
9Catalan (ca)
Covariància
17.5426
10Spanish (es)
Covarianza
17.0966
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Covariance" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Covariance
11 901 522
2Spanish (es)
Covarianza
2 167 465
3German (de)
Kovarianz (Stochastik)
2 090 724
4French (fr)
Covariance
1 976 030
5Chinese (zh)
协方差
1 319 295
6Russian (ru)
Ковариация
1 085 002
7Japanese (ja)
共分散
912 237
8Italian (it)
Covarianza (probabilità)
715 589
9Polish (pl)
Kowariancja
563 907
10Portuguese (pt)
Covariância
478 129
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in October 2023

The most popular language versions of the article "Covariance" in October 2023
#LanguagePopularity awardRelative popularity
1English (en)
Covariance
50 894
2Chinese (zh)
协方差
9 099
3French (fr)
Covariance
8 531
4Russian (ru)
Ковариация
5 528
5Spanish (es)
Covarianza
5 219
6German (de)
Kovarianz (Stochastik)
4 438
7Italian (it)
Covarianza (probabilità)
3 819
8Korean (ko)
공분산
3 154
9Japanese (ja)
共分散
2 191
10Polish (pl)
Kowariancja
1 374
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Covariance" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Covariance
211
2German (de)
Kovarianz (Stochastik)
116
3French (fr)
Covariance
112
4Italian (it)
Covarianza (probabilità)
63
5Spanish (es)
Covarianza
50
6Russian (ru)
Ковариация
47
7Norwegian (no)
Kovarians
41
8Japanese (ja)
共分散
31
9Polish (pl)
Kowariancja
27
10Hebrew (he)
שונות משותפת
26
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in October 2023

Language versions of the article "Covariance" with the highest AI in October 2023
#LanguageAI awardRelative AI
1English (en)
Covariance
4
2Italian (it)
Covarianza (probabilità)
3
3Chinese (zh)
协方差
2
4Korean (ko)
공분산
1
5Arabic (ar)
تغاير (إحصاء)
0
6Catalan (ca)
Covariància
0
7Czech (cs)
Kovariance
0
8Danish (da)
Kovarians
0
9German (de)
Kovarianz (Stochastik)
0
10Esperanto (eo)
Kunvarianco
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Covariance" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Covariance
226
2French (fr)
Covariance
218
3Japanese (ja)
共分散
216
4Italian (it)
Covarianza (probabilità)
116
5German (de)
Kovarianz (Stochastik)
93
6Persian (fa)
کوواریانس
70
7Norwegian (no)
Kovarians
64
8Catalan (ca)
Covariància
58
9Spanish (es)
Covarianza
52
10Ukrainian (uk)
Коваріація
52
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in October 2023:
English:
Global:
Popularity in all years:
English:
Global:
Authors in October 2023:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
تغاير (إحصاء)
caCatalan
Covariància
csCzech
Kovariance
daDanish
Kovarians
deGerman
Kovarianz (Stochastik)
enEnglish
Covariance
eoEsperanto
Kunvarianco
esSpanish
Covarianza
euBasque
Kobariantza
faPersian
کوواریانس
fiFinnish
Kovarianssi
frFrench
Covariance
heHebrew
שונות משותפת
hiHindi
सहप्रसरण
hrCroatian
Kovarijanca
huHungarian
Kovariancia
itItalian
Covarianza (probabilità)
jaJapanese
共分散
koKorean
공분산
nlDutch
Covariantie
nnNorwegian (Nynorsk)
Kovarians
noNorwegian
Kovarians
plPolish
Kowariancja
ptPortuguese
Covariância
roRomanian
Covarianță
ruRussian
Ковариация
shSerbo-Croatian
Kovarijansa
skSlovak
Kovariancia (štatistika)
slSlovenian
Kovarianca
srSerbian
Kovarijansa
svSwedish
Kovarians (sannolikhetsteori)
thThai
ความแปรปรวนร่วมเกี่ยว
trTurkish
Kovaryans
ukUkrainian
Коваріація
viVietnamese
Hiệp phương sai
zhChinese
协方差

Popularity rank trends

Best Rank English:
#4734
10.2014
Global:
#5613
04.2015

AI rank trends

Best Rank English:
#471
01.2003
Global:
#1310
01.2003

Local popularity rank history

Global popularity rank history

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Covariance from Wikipedia articles about Pearson product-moment correlation coefficient, Variance, Covariance matrix, Correlation and Covariance. Whereas reading the article about Covariance people most often go to Wikipedia articles on Variance, Correlation, Pearson product-moment correlation coefficient, Expectation and Covariance matrix.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 23 April 2024

On 23 April 2024 in multilingual Wikipedia, Internet users most often read articles on the following topics: YouTube, Serie A, Shōgun, Fallout, Facebook, Fallout, Saint George, Saint George Day, Inter Milan, ChatGPT.

In English Wikipedia the most popular articles on that day were: Indian Premier League, Richard Gadd, Baby Reindeer, Shōgun (upcoming TV series), Saint George's Day, Fallout (2024 TV series), Deaths in 2024, Benjamin Brand, 2024 Indian Premier League, Next Indian general election.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from November, 2023. When calculating current popularity and AI of articles data from October 2023 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information