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  2. Comma-separated values - Wikipedia

    en.wikipedia.org/wiki/Comma-separated_values

    Comma-separated values (CSV) is a text file format that uses commas to separate values, and newlines to separate records. A CSV file stores tabular data (numbers and text) in plain text, where each line of the file typically represents one data record. Each record consists of the same number of fields, and these are separated by commas in the ...

  3. Object REXX - Wikipedia

    en.wikipedia.org/wiki/Object_REXX

    A MapCollection is a mixin class that defines the basic set of methods implemented by all collections that map from an index to a value. The Directory , StringTable , IdentityTable , Properties , Table , Relation and Stem classes inherit these methods. [ 31 ]

  4. Determining the number of clusters in a data set - Wikipedia

    en.wikipedia.org/wiki/Determining_the_number_of...

    The average silhouette of the data is another useful criterion for assessing the natural number of clusters. The silhouette of a data instance is a measure of how closely it is matched to data within its cluster and how loosely it is matched to data of the neighboring cluster, i.e., the cluster whose average distance from the datum is lowest. [8]

  5. List of price index formulas - Wikipedia

    en.wikipedia.org/wiki/List_of_price_index_formulas

    The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]

  6. Index (economics) - Wikipedia

    en.wikipedia.org/wiki/Index_(economics)

    An index number is an economic data figure reflecting price or quantity compared with a standard or base value. [5] [6] The base usually equals 100 and the index number is usually expressed as 100 times the ratio to the base value. For example, if a commodity costs

  7. R (programming language) - Wikipedia

    en.wikipedia.org/wiki/R_(programming_language)

    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.

  8. List of jōyō kanji - Wikipedia

    en.wikipedia.org/wiki/List_of_jōyō_kanji

    In practice, these characters are usually replaced by the characters 叱, 填, 剥, 頬, which are present in JIS X 0208. The "Old" column reflects the official kyūjitai specified in the standard jōyō table; [ 1 ] it does not include unofficial, extended, or Asahi characters .

  9. Hayao Miyazaki - Wikipedia

    en.wikipedia.org/wiki/Hayao_Miyazaki

    Hayao Miyazaki was born on January 5, 1941, in the town Akebono-cho in Hongō, Tokyo City, Empire of Japan, the second of four sons. [1] [2] [3] [note 1] His father, Katsuji Miyazaki (born 1915), [1] was the director of Miyazaki Airplane, his brother's company, [5] which manufactured rudders for fighter planes during World War II. [4]