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Antoine Augustin Cournot in 1843 was the first [69] to use the term median (valeur médiane) for the value that divides a probability distribution into two equal halves. Gustav Theodor Fechner used the median (Centralwerth) in sociological and psychological phenomena. [70] It had earlier been used only in astronomy and related fields.
The median absolute deviation is a measure of statistical dispersion.Moreover, the MAD is a robust statistic, being more resilient to outliers in a data set than the standard deviation.
Median (biology), an anatomical term of location, meaning at or towards the central plane of a bilaterally symmetrical organism or structure Median filter, a nonlinear digital filtering technique used to reduce noise in images
Use the median to divide the ordered data set into two halves. The median becomes the second quartile. If there are an odd number of data points in the original ordered data set, do not include the median (the central value in the ordered list) in either half.
The median is computed in each single dimension in the Manhattan-distance formulation of the k-medians problem, so the individual attributes will come from the dataset (or be an average of two values from the dataset).
For simplicity, consider the set of numbers {,,,,} with each number having weights {,,,,} respectively. The median is 3 and the weighted median is the element corresponding to the weight 0.3, which is 4.
The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 17 February 2025, the Wikipedia has 101,694 articles and is the 73rd-largest Wikipedia.
Susning.nu: a Swedish online wiki started in 2001; anyone-can-edit encyclopedia until 2004; shut down in 2009; Svensk uppslagsbok (2 editions, 31 and 32 volumes, 1929–1955) Svenska uppslagsverk: [15] a comprehensive bibliography maintained by collector Christofer Psilander; Swedish Wikipedia (Svenskspråkiga Wikipedia)