检验数据是否服从正态分布,可调用UNIVARIATE判别( )
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ANOVA过程进行方差分析。主要处理非均衡数据( )
Q型聚类分析是调用过程PROC CLUSTER 完成( )
In a DATA step, how can you reference a temporary SAS data set named Forecast?
A. Forecast
B. Work.Forecast
C. Sales.Forecast (after assigning the libref Sales)
D. only a and b above