Probability density function

Quality:

Probability density function - function whose integral over a region describes the probability of an event occurring in that region. Article “Probability density function” in English Wikipedia has 43.8 points for quality (as of July 1, 2026). The article contains 6 references and 24 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.31 points.

This article has the best quality in Finnish Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Probability density function”, its content was written by 240 registered users of English Wikipedia and edited by 1019 registered Wikipedia users in all languages.

The article is cited 781 times in English Wikipedia and cited 4270 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #1052 in May 2003
• Global: #2492 in March 2002

The highest popularity rank from 2008:

• Local (English): #5821 in October 2014
• Global: #7533 in April 2015

There are 45 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, 2026 (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	Finnish (fi) Tiheysfunktio		65.752
2	English (en) Probability density function		43.8187
3	Chinese (zh) 機率密度函數		39.3827
4	German (de) Wahrscheinlichkeitsdichtefunktion		38.7542
5	Hungarian (hu) Sűrűségfüggvény		37.3897
6	Malay (ms) Fungsi ketumpatan kebarangkalian		36.9543
7	Portuguese (pt) Função de densidade de probabilidade		33.7878
8	Croatian (hr) Funkcija gustoće vjerojatnosti		27.4957
9	French (fr) Variable aléatoire à densité		26.2838
10	Swedish (sv) Täthetsfunktion		24.2023

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

#	Language	Popularity award	Relative popularity
1	English (en) Probability density function		11 519 918
2	Spanish (es) Función de densidad de probabilidad		1 407 184
3	Russian (ru) Плотность вероятности		1 272 567
4	German (de) Wahrscheinlichkeitsdichtefunktion		1 160 270
5	Chinese (zh) 機率密度函數		1 085 614
6	French (fr) Variable aléatoire à densité		1 069 871
7	Italian (it) Funzione di densità di probabilità		705 213
8	Japanese (ja) 確率密度関数		644 991
9	Polish (pl) Funkcja gęstości prawdopodobieństwa		589 531
10	Portuguese (pt) Função de densidade de probabilidade		389 734

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) Probability density function		14 043
2	Russian (ru) Плотность вероятности		1 690
3	German (de) Wahrscheinlichkeitsdichtefunktion		1 385
4	French (fr) Variable aléatoire à densité		1 365
5	Chinese (zh) 機率密度函數		1 164
6	Japanese (ja) 確率密度関数		1 157
7	Spanish (es) Función de densidad de probabilidad		808
8	Polish (pl) Funkcja gęstości prawdopodobieństwa		797
9	Italian (it) Funzione di densità di probabilità		590
10	Portuguese (pt) Função de densidade de probabilidade		382

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

#	Language	AI award	Relative AI
1	English (en) Probability density function		240
2	German (de) Wahrscheinlichkeitsdichtefunktion		94
3	French (fr) Variable aléatoire à densité		76
4	Spanish (es) Función de densidad de probabilidad		51
5	Italian (it) Funzione di densità di probabilità		47
6	Chinese (zh) 機率密度函數		38
7	Polish (pl) Funkcja gęstości prawdopodobieństwa		37
8	Portuguese (pt) Função de densidade de probabilidade		33
9	Russian (ru) Плотность вероятности		31
10	Dutch (nl) Kansdichtheid		28

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	Arabic (ar) دالة الكثافة الاحتمالية		1
2	Czech (cs) Hustota pravděpodobnosti		1
3	French (fr) Variable aléatoire à densité		1
4	Polish (pl) Funkcja gęstości prawdopodobieństwa		1
5	Belarusian (be) Шчыльнасць імавернасці		0
6	Bulgarian (bg) Плътност на вероятността		0
7	Catalan (ca) Funció de densitat de probabilitat		0
8	Danish (da) Sandsynlighedstæthedsfunktion		0
9	German (de) Wahrscheinlichkeitsdichtefunktion		0
10	Greek (el) Συνάρτηση πυκνότητας πιθανότητας		0

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

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information