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R is a programming language for statistical computing and data visualization. It has been adopted in the fields of data mining, bioinformatics, and data analysis. [9] The core R language is augmented by a large number of extension packages, containing reusable code, documentation, and sample data. R software is open-source and free software.
Download QR code; Print/export ... There are 13 metropolitan statistical areas in Ohio, ... Forbes ranked the state No. 8 for best regulatory environment in 2009. ...
International Business Machines Corporation Logo used since 1972, designed by Paul Rand IBM CHQ in Armonk, New York, in 2014 Trade name IBM Formerly Computing-Tabulating-Recording Company (1911–1924) Company type Public Traded as NYSE: IBM DJIA component S&P 100 component S&P 500 component ISIN ISIN: US4592001014 Industry Information technology Predecessors Bundy Manufacturing Company ...
The 2012 United States presidential election was the 57th quadrennial presidential election, held on Tuesday, November 6, 2012.Incumbent Democratic President Barack Obama and his running mate, incumbent Vice President Joe Biden, were elected to a second term. [3]
In 1987, this was changed to ADHD in the DSM-III-R, and in 1994 the DSM-IV in split the diagnosis into three subtypes: ADHD inattentive type, ADHD hyperactive-impulsive type, and ADHD combined type. [352] These terms were kept in the DSM-5 in 2013 and in the DSM-5-TR in 2022. [5] [6] Prior to the DSM, terms included minimal brain damage in the ...
Twitter, officially known as X since July 2023, is a social networking service.It is one of the world's largest social media websites and one of the most-visited websites. [1] [2] Users can share short text messages, images, and videos in short posts commonly known as "tweets" or "retweets" (officially "post" or "repost") and like other users' content. [3]
The cougar (Puma concolor) (/ ˈ k uː ɡ ər /, KOO-gər), also known as the panther, mountain lion, catamount and puma, is a large cat native to the Americas. It inhabits North, Central and South America, making it the most widely distributed wild, terrestrial mammal in the Western Hemisphere, and one of the most widespread in the world.