| 单词 | homoscedasticity |
| 释义 | homoscedasticity Having the same variance. Data are homoscedastic if their variations are consistent with being random drawings from the same population. This is contrasted with heteroscedasticity, that is, having different variances. Many statistical procedures are only strictly valid for homoscedastic data. Data on time-series drawn from a world with changing structures, or cross-sections of different industries or countries, can easily turn out to be heteroscedastic. |
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