Shapiro–Wilk test

URI: https://gptkb.org/entity/Shapiro–Wilk_test

GPTKB entity

Predicate	Object
gptkbp:instanceOf	statistical analysis
gptkbp:alternativeTo	sample does not come from a normally distributed population
gptkbp:appliesTo	small sample sizes
gptkbp:assumes	independent observations continuous data
gptkbp:category	goodness-of-fit test
gptkbp:citation	Shapiro, S. S., & Wilk, M. B. (1965). An analysis of variance test for normality (complete samples). Biometrika, 52(3/4), 591–611.
gptkbp:field	statistics
https://www.w3.org/2000/01/rdf-schema#label	Shapiro–Wilk test
gptkbp:input	univariate data
gptkbp:introducedIn	1965
gptkbp:limitation	sensitive to outliers not suitable for very large samples
gptkbp:namedAfter	gptkb:Samuel_Shapiro Martin Wilk
gptkbp:nullHypothesis	sample comes from a normally distributed population
gptkbp:output	p-value
gptkbp:publicationYear	1965
gptkbp:publishedIn	gptkb:Biometrika
gptkbp:relatedTo	gptkb:Anderson–Darling_test gptkb:Lilliefors_test gptkb:Kolmogorov–Smirnov_test Jarque–Bera test
gptkbp:software	gptkb:SAS gptkb:SPSS gptkb:Python_(scipy.stats) gptkb:Stata R
gptkbp:statistic	W
gptkbp:usedFor	testing normality
gptkbp:bfsParent	gptkb:Lilliefors_test gptkb:one-sample_Kolmogorov–Smirnov_test
gptkbp:bfsLayer	7