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  2. Rand index - Wikipedia

    en.wikipedia.org/wiki/Rand_index

    The Rand index [1] or Rand measure (named after William M. Rand) in statistics, and in particular in data clustering, is a measure of the similarity between two data clusterings. A form of the Rand index may be defined that is adjusted for the chance grouping of elements, this is the adjusted Rand index .

  3. James Randi - Wikipedia

    en.wikipedia.org/wiki/James_Randi

    James Randi (born Randall James Hamilton Zwinge; August 7, 1928 – October 20, 2020) was a Canadian-American stage magician, author, and scientific skeptic who extensively challenged paranormal and pseudoscientific claims. [1]

  4. Simple matching coefficient - Wikipedia

    en.wikipedia.org/wiki/Simple_matching_coefficient

    For example, consider a supermarket with 1000 products and two customers. The basket of the first customer contains salt and pepper and the basket of the second contains salt and sugar. In this scenario, the similarity between the two baskets as measured by the Jaccard index would be 1/3, but the similarity becomes 0.998 using the SMC.

  5. South African rand - Wikipedia

    en.wikipedia.org/wiki/South_African_rand

    The South African rand, or simply the rand, (sign: R; code: ZAR [a]) is the official currency of South Africa. It is subdivided into 100 cents (sign: "c"), and a comma separates the rand and cents. [ 1 ]

  6. One Million Dollar Paranormal Challenge - Wikipedia

    en.wikipedia.org/wiki/One_Million_Dollar...

    The discussions between the JREF and applicants were at one time posted on a public discussion board. [15] After the resignation of Randi's assistant Mark Kramer and subsequent changes to challenge rules—requiring applicants to have demonstrated considerable notability—new applications were no longer logged.

  7. Rand Paul didn't graduate from college (and 9 other facts you ...

    www.aol.com/news/2015-04-08-rand-paul-didnt...

    The Important Differences Between Rand Paul And His Dad Ron Paul. He conducted a filibuster that lasted nearly 13 hours in opposition of the nomination of John Brennan as director of the CIA, who ...

  8. Randi - Wikipedia

    en.wikipedia.org/wiki/Randi

    Randi is both a given name, and a nickname in the English language, popular in North America and Norway. It is primarily a feminine name, although there is recorded usage of the name by men. It is primarily a feminine name, although there is recorded usage of the name by men.

  9. Randall (given name) - Wikipedia

    en.wikipedia.org/wiki/Randall_(given_name)

    Raghnall, Rághnall, Rand, Randolf, Randolph, Randulf, Randwulf, Rannulbh, Rannúlfr, Röndúlfr Randall / ˈ r æ n d l / is a masculine given name in English , Irish and German . Its modern use as a given name originates from the transferred use of the English–language surname Randall , which in turn is derived from Randolph .