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gptkbp:instanceOf
|
statistical analysis
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|
gptkbp:alternativeTo
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association between variables
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|
gptkbp:appliesTo
|
categorical data
|
|
gptkbp:assumes
|
independent observations
sufficiently large sample size
|
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gptkbp:basedOn
|
gptkb:chi-squared_distribution
|
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gptkbp:degreesOfFreedom
|
number of categories minus one
|
|
https://www.w3.org/2000/01/rdf-schema#label
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Chi-squared test
|
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gptkbp:introduced
|
gptkb:Karl_Pearson
1900
|
|
gptkbp:notRecommendedFor
|
small expected frequencies
|
|
gptkbp:nullHypothesis
|
no association between variables
|
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gptkbp:relatedTo
|
gptkb:Fisher's_exact_test
gptkb:G-test
|
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gptkbp:requires
|
expected frequencies
observed frequencies
|
|
gptkbp:software
|
gptkb:SPSS
gptkb:Excel
gptkb:Python_(scipy.stats)
R
|
|
gptkbp:statistic
|
sum of squared differences divided by expected frequencies
|
|
gptkbp:used_in
|
genetics
contingency tables
survey analysis
|
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gptkbp:usedFor
|
homogeneity
goodness of fit
testing independence
|
|
gptkbp:variant
|
gptkb:Pearson's_chi-squared_test
gptkb:likelihood-ratio_test
Yates' correction for continuity
|
|
gptkbp:bfsParent
|
gptkb:Statistical_Inference
|
|
gptkbp:bfsLayer
|
7
|