在SAS程序中,为去除常数项,只需要在estimate命令中增加minic选项即可
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平稳AR模型的自相关系数具有两个显著的性质,分别是
A ___ is a serious play for the theatre, television,or radio.
A. entertainment
B. drama
C. music
D. instrument
A ___ in something such as a theory or argument is a mistake in it, which causes it to be less effective or valid.
A. trick
B. drama
C. flaw
D. advantage