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 51.8 points for quality (as of August 1, 2024). The article contains 16 references and 22 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 144 registered users of English Wikipedia and edited by 421 registered Wikipedia users in all languages.

The article is cited 368 times in English Wikipedia and cited 1204 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #600 in March 2003
  • Global: #1999 in March 2003

The highest popularity rank from 2008:

  • Local (English): #11883 in April 2015
  • Global: #20055 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 August 1, 2024 (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
51.7599
2Persian (fa)
ماتریس کوواریانس
31.481
3German (de)
Kovarianzmatrix
27.9284
4Turkish (tr)
Kovaryans matrisi
26.222
5Chinese (zh)
协方差矩阵
22.2034
6Hungarian (hu)
Kovarianciamátrix
16.3713
7Arabic (ar)
مصفوفة تغاير
14.6547
8Japanese (ja)
分散共分散行列
11.4651
9Portuguese (pt)
Matriz de covariância
11.4069
10Catalan (ca)
Matriu de covariància
10.5644
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
7 059 069
2German (de)
Kovarianzmatrix
785 892
3Chinese (zh)
协方差矩阵
741 151
4Japanese (ja)
分散共分散行列
578 711
5Russian (ru)
Ковариационная матрица
427 368
6Spanish (es)
Matriz de covarianza
289 220
7Italian (it)
Matrice delle covarianze
207 135
8Polish (pl)
Macierz kowariancji
173 078
9Portuguese (pt)
Matriz de covariância
95 511
10Vietnamese (vi)
Ma trận hiệp phương sai
66 583
More...

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

Most popular in July 2024

The most popular language versions of the article "Covariance matrix" in July 2024
#LanguagePopularity awardRelative popularity
1English (en)
Covariance matrix
26 109
2Chinese (zh)
协方差矩阵
3 286
3German (de)
Kovarianzmatrix
3 211
4Japanese (ja)
分散共分散行列
1 785
5Russian (ru)
Ковариационная матрица
1 245
6Italian (it)
Matrice delle covarianze
773
7Spanish (es)
Matriz de covarianza
633
8Vietnamese (vi)
Ma trận hiệp phương sai
323
9Portuguese (pt)
Matriz de covariância
267
10Persian (fa)
ماتریس کوواریانس
256
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
144
2German (de)
Kovarianzmatrix
68
3Italian (it)
Matrice delle covarianze
29
4Chinese (zh)
协方差矩阵
29
5Russian (ru)
Ковариационная матрица
28
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 July 2024

Language versions of the article "Covariance matrix" with the highest AI in July 2024
#LanguageAI awardRelative AI
1Arabic (ar)
مصفوفة تغاير
0
2Catalan (ca)
Matriu de covariància
0
3Czech (cs)
Kovarianční matice
0
4German (de)
Kovarianzmatrix
0
5English (en)
Covariance matrix
0
6Spanish (es)
Matriz de covarianza
0
7Persian (fa)
ماتریس کوواریانس
0
8Hungarian (hu)
Kovarianciamátrix
0
9Italian (it)
Matrice delle covarianze
0
10Japanese (ja)
分散共分散行列
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
368
2Japanese (ja)
分散共分散行列
217
3Persian (fa)
ماتریس کوواریانس
127
4German (de)
Kovarianzmatrix
115
5Portuguese (pt)
Matriz de covariância
73
6Russian (ru)
Ковариационная матрица
45
7Spanish (es)
Matriz de covarianza
40
8Ukrainian (uk)
Коваріаційна матриця
40
9Chinese (zh)
协方差矩阵
39
10Italian (it)
Matrice delle covarianze
27
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in July 2024:
English:
Global:
Popularity in all years:
English:
Global:
Authors in July 2024:
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:
#11883
04.2015
Global:
#20055
04.2015

AI rank trends

Best Rank English:
#600
03.2003
Global:
#1999
03.2003

Local AI rank history

Global AI rank history

Languages comparison

Important global interconnections

Wikipedia readers most often find their way to information on Covariance matrix from Wikipedia articles about Multivariate normal distribution, Principal component analysis, Covariance, Mahalanobis distance and Correlation. Whereas reading the article about Covariance matrix people most often go to Wikipedia articles on Covariance, Variance, Definite matrix, Cross-covariance matrix 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 8 July 2025

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In English Wikipedia the most popular articles on that day were: Superman (2025 film), João Pedro (footballer, born 2001), Untitled Jurassic World film, Aryna Sabalenka, Laura Siegemund, Ozzy Osbourne, Amanda Anisimova, Jeffrey Epstein, Cameron Norrie, Deaths in 2025.

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 August, 2024. When calculating current popularity and AI of articles data from July 2024 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2023... More information