Quality:

Observed information - matrix of second derivatives of the log-likelihood function. Article “Observed information” in English Wikipedia has 20 points for quality (as of July 1, 2026).
The article contains 6 references and 6 sections.
Since the creation of article “Observed information”, its content was written by 17 registered users of English Wikipedia and edited by 17 registered Wikipedia users in all languages.
The article is cited 10 times in English Wikipedia and cited 10 times in all languages.
The highest Authors Interest rank from 2001:
- Local (English): #174846 in January 2010
- Global: #471304 in January 2010
The highest popularity rank from 2008:
- Local (English): #519066 in March 2015
- Global: #890237 in March 2015
There is 1 language version 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).