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  1. Formally, PCA is a statistical technique for reducing the dimensionality of a dataset. This is accomplished by linearly transforming the data into a new coordinate system where (most of) the variation in the data can be described with fewer dimensions than the initial data. Many studies use the first two principal components in order to plot ...

  2. The Indian Space Research Organisation (ISRO; / ˈ ɪ s r oʊ /) is the national space agency of India, headquartered in Bangalore.It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman of ISRO acts as the executive of DOS as well.

  3. The River Avon / ˈ eɪ v ən / is a river in the south west of England. To distinguish it from a number of other rivers of the same name, it is often called the Bristol Avon.The name 'Avon' is a cognate of the Welsh word afon, meaning 'river'.

  4. en.wikipedia.org › wiki › TheodoliteTheodolite - Wikipedia

    A theodolite (/ θ i ˈ ɒ d ə ˌ l aɪ t /) is a precision optical instrument for measuring angles between designated visible points in the horizontal and vertical planes. The traditional use has been for land surveying, but it is also used extensively for building and infrastructure construction, and some specialized applications such as meteorology and rocket launching.

  5. en.wikipedia.org › wiki › Google_EarthGoogle Earth - Wikipedia

    In December 2006, Google Earth added a new integration with Wikipedia and Panoramio. For the Wikipedia layer, entries are scraped for coordinates via the Coord templates. There is also a community layer from the project Wikipedia-World. More coordinates are used, different types are in the display, and different languages are supported than the ...

  6. en.wikipedia.org › wiki › BoracayBoracay - Wikipedia

    The first settlers of Boracay were a Negrito people called the Ati, and who spoke a distinctive Philippine language called Inati. Later settlers brought other languages to the island, including Aklanon (as Boracay is part of Aklan province), Hiligaynon (Ilonggo), Kinaray-a, Capiznon, other Visayan languages, Filipino, and English.

  7. en.wikipedia.org › wiki › Empty_stringEmpty string - Wikipedia

    The empty string should not be confused with the empty language ∅, which is a formal language (i.e. a set of strings) that contains no strings, not even the empty string. The empty string has several properties: |ε| = 0. Its string length is zero. ε ⋅ s = s ⋅ ε = s. The empty string is the identity element of the concatenation operation.

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