【正文】 Source DF Type I SS Mean Square F Value Pr F a 3 b 1 .0001 block 2 a*b 3 .0001 The GLM Procedure Duncan39。s Multiple Range Test for x NOTE: This test controls the Type I parisonwise error rate, not the experimentwise error rate. Alpha Error Degrees of Freedom 14 Error Mean Square Number of Means 2 3 4 Critical Range Means with the same letter are not significantly different. Duncan Grouping Mean N a A 6 2 B 6 3 B B 6 4 B B 6 1 The GLM Procedure Duncan39。s Multiple Range Test for x NOTE: This test controls the Type I parisonwise error rate, not the experimentwise error rate. Alpha Error Degrees of Freedom 14 Error Mean Square Number of Means 2 Critical Range Means with the same letter are not significantly different. Duncan Grouping Mean N b A 12 1 B 12 2 The GLM Procedure Level of Level of x a b N Mean Std Dev 1 1 3 1 2 3 2 1 3 2 2 3 3 1 3 3 2 3 4 1 3 4 2 3 兩因素裂區(qū)設(shè)計(jì)試驗(yàn)資料方差分析（教材【例 】） data anova8。 input a b block x@@。 cards。 1 1 1 1 1 2 1 1 3 1 2 1 1 2 2 1 2 3 1 3 1 1 3 2 1 3 3 1 4 1 1 4 2 1 4 3 2 1 1 2 1 2 2 1 3 2 2 1 2 2 2 2 2 3 2 3 1 2 3 2 2 3 3 2 4 1 2 4 2 2 4 3 3 1 1 3 1 2 3 1 3 3 2 1 3 2 2 3 2 3 3 3 1 3 3 2 3 3 3 3 4 1 3 4 2 3 4 3 。 proc glm。 class a b block。 model x=block a a*block b a*b。 means a b a*b/duncan。 run。 運(yùn)行結(jié)果 The GLM Procedure Class Level Information Class Levels Values a 3 1 2 3 b 4 1 2 3 4 block 3 1 2 3 Number of observations 36 The GLM Procedure Dependent Variable: x Sum of Source DF Squares Mean Square F Value Pr F Model 17 .0001 Error 18 Corrected Total 35 RSquare Coeff Var Root MSE x Mean Source DF Type I SS Mean Square F Value Pr F block 2 a 2 .0001 a*block 4 b 3 .0001 a*b 6 .0001 The GLM Procedure Duncan39。s Multiple Range Test for x NOTE: This test controls the Type I parisonwise error rate, not the experimentwise error rate. Alpha Error Degrees of Freedom 18 Error Mean Square Number of Means 2 3 Critical Range Means with the same letter are not significantly different. Duncan Grouping Mean N a A 12 1 B 12 2 C 12 3 The GLM Procedure Duncan39。s Multiple Range Test for x NOTE: This test controls the Type I parisonwise error rate, not the experimentwise error rate. Alpha Error Degrees of Freedom 18 Error Mean Square Number of Means 2 3 4 Critical Range Means with the same letter are not significantly different. Duncan Grouping Mean N b A