无条件方差 unconditional variance 方程式 capeta; eqs; formula; heat equation; relation; theory of equations ..
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conditional and unconditional variance 条件和非条件方差
In the application of pp plots, unconditional variance distribution of logarithmic return and ARCH type models are tested.
在PP图的应用中，检验了对数收益的无条件方差的分布和ARCH类模型。
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