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The category of matrices is equivalent to the category of finite-dimensional real vector spaces and linear maps. This is witnessed by the functor mapping the number n {\displaystyle n} to the vector space R n {\displaystyle \mathbb {R} ^{n}} , and an n × m {\displaystyle n\times m} matrix to the corresponding linear map R m → R n ...
One of the key concepts of the matrix of domination is that the different categories, like race and gender, are separate groups, rather than a combination. This is a problem that can be seen in the law as well when it comes to discrimination because the courts fail to view discrimination as an overarching umbrella of intersectionality. [7]
If dummy variables for all categories were included, their sum would equal 1 for all observations, which is identical to and hence perfectly correlated with the vector-of-ones variable whose coefficient is the constant term; if the vector-of-ones variable were also present, this would result in perfect multicollinearity, [2] so that the matrix ...
Categories are characterized by an aggregate of individuals who share something in common, but only become groups when their similarities have social implications. [4] Categories can appear to be higher in entitativity and essentialism than primary, secondary, and collective groups. This group is generally the largest type of such, where ...
Several important classes of matrices are subsets of each other. This article lists some important classes of matrices used in mathematics, science and engineering. A matrix (plural matrices, or less commonly matrixes) is a rectangular array of numbers called entries. Matrices have a long history of both study and application, leading to ...
Social statistics is the use of statistical measurement systems to study human behavior in a social environment. This can be accomplished through polling a group of people, evaluating a subset of data obtained about a group of people, or by observation and statistical analysis of a set of data that relates to people and their behaviors.
This category relates to specifically sociological terms and concepts. Wider societal terms that do not have a specific sociological nature about them should be added to social concepts in keeping with the WikiProject Sociology scope for the subject.
Statistics can be described as all of the following: An academic discipline : one with academic departments, curricula and degrees; national and international societies; and specialized journals. A scientific field (a branch of science ) – widely recognized category of specialized expertise within science, and typically embodies its own ...