NO.PZ2019040801000056
问题如下:
Which of the following descriptions of the sample partial autocorrelations is the most correct? A sample partial autocorrelation:
选项:
A.
is the same as sample autocorrelation.
B.
differs from sample autocorrelation in the size of the dataset where it applies.
C.
uses only non-linear regressions.
D.
always falls within a one-standard-error band.
解释:
B is correct.
考点:Autocorrelation
解析:在不同规模的数据集中,样本偏自相关会不一样。
本题在学有余力的情况下,当成补充结论记忆一下,有个印象就好。
请问这道题B选项如何解释