Pearson correlation coefficient

Quality:

Pearson product-moment correlation coefficient - type of coefficient. Article "Pearson correlation coefficient" in English Wikipedia has 68.3 points for quality (as of July 1, 2025). The article contains 55 references and 38 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:

English Wikipedia:

en

The 8831^st most popular in English Wikipedia.

Global Wikipedia:

The 8064^th most popular in all topics.

In June 2025 the article "Pearson correlation coefficient" was edited by 4 authors in English Wikipedia and written by 7 authors in all languages.

Since the creation of article "Pearson correlation coefficient", its content was written by 313 registered users of English Wikipedia and edited by 835 registered Wikipedia users in all languages.

The article is cited 1148 times in English Wikipedia and cited 3274 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #712 in June 2003
• Global: #1121 in June 2003

The highest popularity rank from 2008:

• Local (English): #1810 in February 2015
• Global: #3263 in February 2015

There are 22 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.

#	Language	Quality grade	Quality score
1	English (en) Pearson correlation coefficient		68.2543
2	Ukrainian (uk) Коефіцієнт кореляції Пірсона		65.2311
3	Chinese (zh) 皮尔逊积矩相关系数		64.4529
4	German (de) Korrelationskoeffizient nach Bravais-Pearson		52.2262
5	Catalan (ca) Coeficient de correlació de Pearson		25.8521
6	Arabic (ar) معامل الارتباط لبيرسون		25.7748
7	Norwegian (no) Pearsons produkt-moment korrelasjonskoeffisient		20.3715
8	Italian (it) Indice di correlazione di Pearson		19.7809
9	Polish (pl) Współczynnik korelacji Pearsona		18.4713
10	Estonian (et) Lineaarne korrelatsioonikordaja		14.6663

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

#	Language	Popularity award	Relative popularity
1	English (en) Pearson correlation coefficient		14 820 687
2	Spanish (es) Coeficiente de correlación de Pearson		4 486 902
3	German (de) Korrelationskoeffizient nach Bravais-Pearson		4 154 651
4	Portuguese (pt) Coeficiente de correlação de Pearson		1 454 145
5	Italian (it) Indice di correlazione di Pearson		1 353 289
6	Chinese (zh) 皮尔逊积矩相关系数		1 337 437
7	Polish (pl) Współczynnik korelacji Pearsona		1 282 719
8	Dutch (nl) Correlatiecoëfficiënt		700 488
9	Hebrew (he) מתאם פירסון		369 158
10	Ukrainian (uk) Коефіцієнт кореляції Пірсона		228 748

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

#	Language	Popularity award	Relative popularity
1	English (en) Pearson correlation coefficient		44 108
2	Spanish (es) Coeficiente de correlación de Pearson		4 304
3	Chinese (zh) 皮尔逊积矩相关系数		3 986
4	German (de) Korrelationskoeffizient nach Bravais-Pearson		3 595
5	Polish (pl) Współczynnik korelacji Pearsona		2 721
6	Korean (ko) 피어슨 상관 계수		2 173
7	Italian (it) Indice di correlazione di Pearson		2 087
8	Portuguese (pt) Coeficiente de correlação de Pearson		1 711
9	Japanese (ja) ピアソンの積率相関係数		1 651
10	Hebrew (he) מתאם פירסון		721

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

#	Language	AI award	Relative AI
1	English (en) Pearson correlation coefficient		313
2	German (de) Korrelationskoeffizient nach Bravais-Pearson		160
3	Dutch (nl) Correlatiecoëfficiënt		68
4	Italian (it) Indice di correlazione di Pearson		52
5	Hebrew (he) מתאם פירסון		40
6	Spanish (es) Coeficiente de correlación de Pearson		35
7	Chinese (zh) 皮尔逊积矩相关系数		32
8	Polish (pl) Współczynnik korelacji Pearsona		29
9	Portuguese (pt) Coeficiente de correlação de Pearson		29
10	Norwegian (no) Pearsons produkt-moment korrelasjonskoeffisient		12

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

#	Language	AI award	Relative AI
1	English (en) Pearson correlation coefficient		4
2	Italian (it) Indice di correlazione di Pearson		2
3	Polish (pl) Współczynnik korelacji Pearsona		1
4	Arabic (ar) معامل الارتباط لبيرسون		0
5	Catalan (ca) Coeficient de correlació de Pearson		0
6	German (de) Korrelationskoeffizient nach Bravais-Pearson		0
7	Spanish (es) Coeficiente de correlación de Pearson		0
8	Estonian (et) Lineaarne korrelatsioonikordaja		0
9	Basque (eu) Korrelazio-koefiziente		0
10	Persian (fa) ضریب همبستگی پیرسون		0

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

On 12 August 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Cristiano Ronaldo, Wednesday, Georgina Rodríguez, ChatGPT, Weapons, Jenna Ortega, deaths in 2025, Taylor Swift, Miguel Uribe Turbay, 2025–26 UEFA Champions League.

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.

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