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  2. Tab-separated values - Wikipedia

    en.wikipedia.org/wiki/Tab-separated_values

    Tab-separated values (TSV) is a simple, text-based file format for storing tabular data. [3] Records are separated by newlines , and values within a record are separated by tab characters . The TSV format is thus a delimiter-separated values format, similar to comma-separated values .

  3. Halfwidth and fullwidth forms - Wikipedia

    en.wikipedia.org/wiki/Halfwidth_and_fullwidth_forms

    Characters which appear in both JIS X 0201 (single byte) and JIS X 0208 / JIS X 0213 (double byte) have both a halfwidth and a fullwidth form in Shift JIS.. In the days of text mode computing, Western characters were normally laid out in a grid on the screen, often 80 columns by 24 or 25 lines.

  4. 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 ...

  5. Halfwidth and Fullwidth Forms (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Halfwidth_and_Fullwidth...

    U+FF00 does not correspond to a fullwidth ASCII 20 (space character), since that role is already fulfilled by U+3000 "ideographic space". Range U+FF61–FF9F encodes halfwidth forms of katakana and related punctuation in a transposition of A1 to DF in the JIS X 0201 encoding – see half-width kana .

  6. Non-breaking space - Wikipedia

    en.wikipedia.org/wiki/Non-breaking_space

    A second common application of non-breaking spaces is in plain text file formats such as SGML, HTML, TeX and LaTeX, whose rendering engines are programmed to treat sequences of whitespace characters (space, newline, tab, form feed, etc.) as if they were a single character (but this behavior can be overridden).

  7. Training, validation, and test data sets - Wikipedia

    en.wikipedia.org/wiki/Training,_validation,_and...

    Finally, the test data set is a data set used to provide an unbiased evaluation of a final model fit on the training data set. [5] If the data in the test data set has never been used in training (for example in cross-validation), the test data set is also called a holdout data set. The term "validation set" is sometimes used instead of "test ...

  8. Flat-file database - Wikipedia

    en.wikipedia.org/wiki/Flat-file_database

    Plain text files usually contain one record per line. [2] Examples of flat files include /etc/passwd and /etc/group on Unix-like operating systems. Another example of a flat file is a name-and-address list with the fields Name, Address and Phone Number. Flat files are typically either delimiter-separated or fixed-width.

  9. ASCII - Wikipedia

    en.wikipedia.org/wiki/ASCII

    The File Transfer Protocol adopted the Telnet protocol, including use of the Network Virtual Terminal, for use when transmitting commands and transferring data in the default ASCII mode. [ 45 ] [ 46 ] This adds complexity to implementations of those protocols, and to other network protocols, such as those used for E-mail and the World Wide Web ...