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  2. Matrix completion - Wikipedia

    en.wikipedia.org/wiki/Matrix_completion

    Since the columns belong to a union of subspaces, the problem may be viewed as a missing-data version of the subspace clustering problem. Let X {\displaystyle X} be an n × N {\displaystyle n\times N} matrix whose (complete) columns lie in a union of at most k {\displaystyle k} subspaces, each of r a n k ≤ r < n {\displaystyle rank\leq r<n ...

  3. Imputation (statistics) - Wikipedia

    en.wikipedia.org/wiki/Imputation_(statistics)

    Because missing data can create problems for analyzing data, imputation is seen as a way to avoid pitfalls involved with listwise deletion of cases that have missing values. That is to say, when one or more values are missing for a case, most statistical packages default to discarding any case that has a missing value, which may introduce bias ...

  4. Select (SQL) - Wikipedia

    en.wikipedia.org/wiki/Select_(SQL)

    Select only then {rows} rows with filter: First Page: select only the first {rows} rows, depending on the type of database; Next Page: select only the first {rows} rows, depending on the type of database, where the {unique_key} is greater than {last_val} (the value of the {unique_key} of the last row in the current page)

  5. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Up until the 2007 version, Microsoft Excel used a proprietary binary file format called Excel Binary File Format (.XLS) as its primary format. [34] Excel 2007 uses Office Open XML as its primary file format, an XML-based format that followed after a previous XML -based format called "XML Spreadsheet" ("XMLSS"), first introduced in Excel 2002.

  6. Missing data - Wikipedia

    en.wikipedia.org/wiki/Missing_data

    Generally speaking, there are three main approaches to handle missing data: (1) Imputation—where values are filled in the place of missing data, (2) omission—where samples with invalid data are discarded from further analysis and (3) analysis—by directly applying methods unaffected by the missing values. One systematic review addressing ...

  7. Selection algorithm - Wikipedia

    en.wikipedia.org/wiki/Selection_algorithm

    As a baseline algorithm, selection of the th smallest value in a collection of values can be performed by the following two steps: . Sort the collection; If the output of the sorting algorithm is an array, retrieve its th element; otherwise, scan the sorted sequence to find the th element.

  8. The Missing (2003 film) - Wikipedia

    en.wikipedia.org/wiki/The_Missing_(2003_film)

    The Missing is a 2003 American Western film directed by Ron Howard and starring Tommy Lee Jones and Cate Blanchett.It is based on Thomas Eidson's 1996 novel The Last Ride.Set in 1885 New Mexico Territory, the film is notable for the authentic use of the Apache language by various actors, some of whom spent long hours studying it. [4]

  9. Last Seen Alive - Wikipedia

    en.wikipedia.org/wiki/Last_Seen_Alive

    Last Seen Alive is a 2022 American action thriller film [3] directed by Brian Goodman and written by Marc Frydman. It stars Gerard Butler, who also produced the film, Jaimie Alexander and Russell Hornsby. Formerly known as Chase, the film follows a man who takes the law into his own hands in the search for his missing wife.