Covariance matrix

en

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Covariance matrix

Quality:

Covariance matrix - measure of covariance of components of a random vector. Article "Covariance matrix" in English Wikipedia has 53.3 points for quality (as of July 1, 2025). The article contains 18 references and 23 sections.

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

Since the creation of article "Covariance matrix", its content was written by 150 registered users of English Wikipedia and edited by 433 registered Wikipedia users in all languages.

The article is cited 380 times in English Wikipedia and cited 1356 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #601 in March 2003
  • Global: #1999 in March 2003

The highest popularity rank from 2008:

  • Local (English): #11881 in April 2015
  • Global: #20034 in April 2015

There are 21 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 July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Covariance matrix
53.2825
2Persian (fa)
ماتریس کوواریانس
31.4822
3German (de)
Kovarianzmatrix
27.7695
4Turkish (tr)
Kovaryans matrisi
27.723
5Chinese (zh)
协方差矩阵
25.5157
6Hungarian (hu)
Kovarianciamátrix
16.3648
7Arabic (ar)
مصفوفة تغاير
14.6399
8Portuguese (pt)
Matriz de covariância
11.4241
9Japanese (ja)
分散共分散行列
11.4179
10Catalan (ca)
Matriu de covariància
10.5518
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 matrix" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Covariance matrix
7 351 069
2German (de)
Kovarianzmatrix
810 485
3Chinese (zh)
协方差矩阵
770 644
4Japanese (ja)
分散共分散行列
592 907
5Russian (ru)
Ковариационная матрица
447 750
6Spanish (es)
Matriz de covarianza
297 228
7Italian (it)
Matrice delle covarianze
214 557
8Polish (pl)
Macierz kowariancji
178 139
9Portuguese (pt)
Matriz de covariância
97 798
10Vietnamese (vi)
Ma trận hiệp phương sai
69 438
More...

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

Most popular in June 2025

The most popular language versions of the article "Covariance matrix" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Covariance matrix
18 403
2German (de)
Kovarianzmatrix
1 950
3Chinese (zh)
协方差矩阵
1 622
4Japanese (ja)
分散共分散行列
1 358
5Russian (ru)
Ковариационная матрица
1 341
6Italian (it)
Matrice delle covarianze
630
7Polish (pl)
Macierz kowariancji
547
8Spanish (es)
Matriz de covarianza
498
9Korean (ko)
공분산 행렬
195
10Portuguese (pt)
Matriz de covariância
165
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 matrix" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Covariance matrix
150
2German (de)
Kovarianzmatrix
69
3Italian (it)
Matrice delle covarianze
30
4Chinese (zh)
协方差矩阵
30
5Russian (ru)
Ковариационная матрица
29
6Vietnamese (vi)
Ma trận hiệp phương sai
21
7Japanese (ja)
分散共分散行列
17
8Turkish (tr)
Kovaryans matrisi
14
9Polish (pl)
Macierz kowariancji
13
10Persian (fa)
ماتریس کوواریانس
11
More...

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

The highest AI in June 2025

Language versions of the article "Covariance matrix" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Russian (ru)
Ковариационная матрица
1
2Arabic (ar)
مصفوفة تغاير
0
3Catalan (ca)
Matriu de covariància
0
4Czech (cs)
Kovarianční matice
0
5German (de)
Kovarianzmatrix
0
6English (en)
Covariance matrix
0
7Spanish (es)
Matriz de covarianza
0
8Persian (fa)
ماتریس کوواریانس
0
9Hungarian (hu)
Kovarianciamátrix
0
10Italian (it)
Matrice delle covarianze
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 matrix" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
Covariance matrix
380
2Japanese (ja)
分散共分散行列
227
3Persian (fa)
ماتریس کوواریانس
129
4German (de)
Kovarianzmatrix
121
5Slovenian (sl)
Kovariančna matrika
112
6Portuguese (pt)
Matriz de covariância
73
7Russian (ru)
Ковариационная матрица
45
8Ukrainian (uk)
Коваріаційна матриця
42
9Chinese (zh)
协方差矩阵
41
10Spanish (es)
Matriz de covarianza
40
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
arArabic
مصفوفة تغاير
caCatalan
Matriu de covariància
csCzech
Kovarianční matice
deGerman
Kovarianzmatrix
enEnglish
Covariance matrix
esSpanish
Matriz de covarianza
faPersian
ماتریس کوواریانس
huHungarian
Kovarianciamátrix
itItalian
Matrice delle covarianze
jaJapanese
分散共分散行列
koKorean
공분산 행렬
nlDutch
Covariantiematrix
plPolish
Macierz kowariancji
ptPortuguese
Matriz de covariância
ruRussian
Ковариационная матрица
skSlovak
Kovariančná matica
slSlovenian
Kovariančna matrika
trTurkish
Kovaryans matrisi
ukUkrainian
Коваріаційна матриця
viVietnamese
Ma trận hiệp phương sai
zhChinese
协方差矩阵

Popularity rank trends

Best Rank English:
#11881
04.2015
Global:
#20034
04.2015

AI rank trends

Best Rank English:
#601
03.2003
Global:
#1999
03.2003

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Covariance matrix from Wikipedia articles about Principal component analysis, Multivariate normal distribution, Covariance, Mahalanobis distance and Kalman filter. Whereas reading the article about Covariance matrix people most often go to Wikipedia articles on Covariance, Cross-covariance matrix, Definite matrix, Variance and Correlation.

Cumulative results of quality and popularity of the Wikipedia article

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

News from 12 August 2025

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In English Wikipedia the most popular articles on that day were: Weapons (2025 film), Danielle Spencer (American actress), Cristiano Ronaldo, Deaths in 2025, Taylor Swift, Wednesday (TV series), Superman (2025 film), Georgina Rodríguez, Coolie (2025 film), The Fantastic Four: First Steps.

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 July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information