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单词 heteroscedasticity
释义

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ˌheteroscedaˈsticity
ˌheteroscedaˈsticity n.
Brit. /ˌhɛt(ə)rə(ʊ)skɪˌdaˈstɪsᵻti/
,
U.S. /ˌhɛdəroʊskᵻˌdæˈstɪsədi/
,
/ˌhɛdərəskᵻˌdæˈstɪsədi/
ΘΚΠ
the world > relative properties > number > probability or statistics > [noun] > distribution > variability or spread > measures of > relating to variance
heteroscedasticity1905
homoscedasticity1905
covariance1931
communality1933
principal component1933
1905 K. Pearson in Drapers' Company Res. Mem. (Biometric Ser.) 2 23 I am thus inclined to speak of χ1–1 and χ2 as measures of heteroscedasticity and heteroclisy.
1964 N. L. Johnson & F. C. Leone Statistics & Exper. Design II. xvii. 321 Replication at each vertex does provide some information on possible heteroscedasticity of the residual variation.
extracted from hetero-comb. form
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