词汇 | homoscedasticity |
释义 | homoscedasticity noun [ U ] mathematics specialized (also homoskedasticity) /ˌhəʊ.məʊ.skɪ.dæsˈtɪs.ə.ti/ /ˌhoʊ.moʊ.sɪˌdæsˈtɪs.ə.t̬i/ /ˌhoʊ.moʊ.skɪˌdæsˈtɪs.ə.t̬i/ /ˌhɑː.mə.sɪˌdæsˈtɪs.ə.t̬i/ /ˌhɑː.mə.skɪˌdæsˈtɪs.ə.t̬i/ 同方差性 in statistics (= the science of using information discovered from studying numbers), a situation in which all the variables (= things that can change) in a sequence (= a series of related things) are equal We test for homoscedasticity by use of the Breusch-Pagan test. 我们用布鲁薛—培根检验法来检验同方差性。 In several cases, the homoscedasticity assumption could not be met. It is possible to estimate this model to ensure homoskedasticity.
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