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  2. Our Lady of Fátima - Wikipedia

    en.wikipedia.org/wiki/Our_Lady_of_Fátima

    Our Lady of Fátima (Portuguese: Nossa Senhora de Fátima, pronounced [ˈnɔsɐ sɨˈɲɔɾɐ ðɨ ˈfatimɐ]; formally known as Our Lady of the Holy Rosary of Fátima) is a Catholic title of Mary, mother of Jesus, based on the Marian apparitions reported in 1917 by three shepherd children at the Cova da Iria in Fátima, Portugal.

  3. Confusion matrix - Wikipedia

    en.wikipedia.org/wiki/Confusion_matrix

    Example. Given a sample of 12 individuals, 8 that have been diagnosed with cancer and 4 that are cancer-free, where individuals with cancer belong to class 1 (positive) and non-cancer individuals belong to class 0 (negative), we can display that data as follows:

  4. 0 - Wikipedia

    en.wikipedia.org/wiki/0

    0 ( zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures.

  5. Medical error - Wikipedia

    en.wikipedia.org/wiki/Medical_error

    The examples and perspective in this article deal primarily with the United States and do not represent a worldwide view of the subject. You may improve this article, discuss the issue on the talk page, or create a new article, as appropriate.

  6. Three Mile Island accident - Wikipedia

    en.wikipedia.org/wiki/Three_Mile_Island_accident

    The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station on the Susquehanna River in Londonderry Township, near Harrisburg, the capital city of Pennsylvania, United States. The reactor accident began at 4:00 a.m. on March 28, 1979, and released radioactive ...

  7. Error analysis for the Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Error_analysis_for_the...

    The GPS makes corrections for receiver clock errors and other effects but there are still residual errors which are not corrected. GPS receiver position is computed based on data received from the satellites. Errors depend on geometric dilution of precision and the sources listed in the table below.

  8. Singapore - Wikipedia

    en.wikipedia.org/wiki/Singapore

    Singapore, officially the Republic of Singapore, is an island country and city-state in maritime Southeast Asia.It is located about one degree of latitude (137 kilometres or 85 miles) north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to ...

  9. Google Search - Wikipedia

    en.wikipedia.org/wiki/Google_Search

    Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the Internet by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. It is the most popular search engine worldwide.