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heteroskedasticity
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heteroskedasticity
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heteroskedasticity
异方差性
总体回归函数中的随机误差项的方差并不相同的特性。
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roller oven
roller pass design
roller screen
roller skating
roller skating of Summer Special Olympics
roller sorter
roller-type continuous forming machine
Rolle's mean value theorem
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roll film
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roll-formed shape
roll friction coefficient
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