 
					
					
						Simpson,s Paradox					
				 
				
					
						 المؤلف:  
						Good, I. J. and Mittal, Y.
						 المؤلف:  
						Good, I. J. and Mittal, Y.					
					
						 المصدر:  
						The Amalgamation and Geometry of Two-by-Two Contingency Tables." Ann. Stat. 15
						 المصدر:  
						The Amalgamation and Geometry of Two-by-Two Contingency Tables." Ann. Stat. 15					
					
						 الجزء والصفحة:  
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						 الجزء والصفحة:  
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				Simpson's Paradox
Simpson's paradox, also known as the amalgamation paradox, reversal paradox, or Yule-Simpson effect, is a paradox in which a statistical trend appears to be present when data are segmented into separate groups of data but disappears (or reverses) when the data is considered as a whole. Simpson's paradox can arise when causal relations are ignored, but disappears when they are properly accounted for.
REFERENCES
Blyth, C. R. "On Simpson's Paradox and the Sure-Thing Principle." J. Amer. Stat. Assoc. 67, 364-366, 1972.
Good, I. J. and Mittal, Y. "The Amalgamation and Geometry of Two-by-Two Contingency Tables." Ann. Stat. 15, 694-711, 1987.
Paulos, J. A. A Mathematician Reads the Newspaper. New York: BasicBooks, p. 135, 1995.
Pearson, K.; Lee, A.; and Bramley-Moore, L. "Genetic (Reproductive) Selection: Inheritance of Fertility in Man, and of Fecundity in Thoroughbred Racehorses." Philos. Trans. Roy. Soc. A 192, 257-330, 1899.
Simpson, E. H. "The Interpretation of Interaction in Contingency Tables." J. Roy. Stat. Soc. 13, 238-241, 1951.Yule, G. U. ""Notes on the Theory of Association of Attributes in Statistics." Biometrika 2, 121-134, 1903.
				
				
					
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