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"Education for Leisure" is a poem by Poet Laureate Carol Ann Duffy which explores the mind of a person who is planning to commit a murder. [1] Until 2008 the poem was studied at GCSE level in England and Wales as part of the AQA Anthology, a collection of poems by modern poets such as Duffy and Seamus Heaney.
In statistics, Gower's distance between two mixed-type objects is a similarity measure that can handle different types of data within the same dataset and is particularly useful in cluster analysis or other multivariate statistical techniques. Data can be binary, ordinal, or continuous variables.
A metric: there is a notion of distance between points. A geometry: it is equipped with a metric and is flat. A topology: there is a notion of open sets. There are interfaces among these: Its order and, independently, its metric structure induce its topology. Its order and algebraic structure make it into an ordered field.
A metric on a set X is a function (called the distance function or simply distance) d : X × X → R + (where R + is the set of non-negative real numbers). For all x, y, z in X, this function is required to satisfy the following conditions: d(x, y) ≥ 0 (non-negativity) d(x, y) = 0 if and only if x = y (identity of indiscernibles.
The poem describes four people stuck at traffic lights in downtown San Francisco - two are garbage collectors and two are an elegant couple in a Mercedes. The poem is about the contrast between these people and the gap that is developing between the rich and poor even in the USA which is meant to be a 'democracy'.
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The 2004 AQA Anthology was a collection of poems and short texts. The anthology was split into several sections covering poems from other cultures, the poetry of Seamus Heaney, [4] Gillian Clarke, Carol Ann Duffy and Simon Armitage, and a bank of pre-1914 poems. There was also a section of prose pieces, which could have been studied in schools ...
Proximity analysis is a class of spatial analysis tools and algorithms that employ geographic distance as a central principle. [1] Distance is fundamental to geographic inquiry and spatial analysis, due to principles such as the friction of distance, Tobler's first law of geography, and Spatial autocorrelation, which are incorporated into analytical tools. [2]