常用生物統(tǒng)計方法的sas程序(參考版)
2025-01-03 04:10本頁面
【正文】 ? 完成下面數(shù)據(jù)的分析。RUN。PROC REG CORR。CARDS。BY 變量；PLOT y軸變量 *x軸變量 [=‘符號 ’]； CORRSIMPLESELECTION=（ NONE） / STEPWISE/ FORWARD /BACKWARD DATA G。? The CORR Procedure? 2 Variables: x y? Simple Statistics? variable N Mean Std Dev Sum Minimum Maximum? x 12 1182 ? y 12 2721 32650 2350 3150? Pearson Correlation Coefficients, N = 12? Prob |r| under H0: Rho=0? X y? x ? .0001? y ? .0001七、 線性回歸PROC REG 選項 。PROC CORR。CARDS。DATA G。3. 兩因素交叉分組單獨觀察值 ? Class Level Information? Class Levels Values? A 4 A1 A2 A3 A4? B 3 B1 B2 B3? Dependent Variable: y? Sum of? Source DF Squares Mean Square F Value Pr F? Model 5 ? Error 6 ? Corrected Total 11 ? RSquare Coeff Var Root MSE y Mean? ? Source DF Anova SS Mean Square F Value Pr F? A 3 ? B 2 ? Duncan39。 MEANS A B/DUNCAN。 CLASS A B。 A1 B1 A1 B2 A1 B3 A2 B1 A2 B2 A2 B3 A3 B1 A3 B2 A3 B3 A4 B1 A4 B2 A4 B3 。INPUT A$ B$ y。 RUN。 model y=BREED。 PROC GLM。cards。? Class Levels Values? TR 5 A1 A2 A3 A4 A5? Number of observations 25? Dependent Variable: y? Sum of? Source DF Squares Mean Square F Value Pr F? Model 4 .0001? Error 20 ? Corrected Total 24 ? RSquare Coeff Var Root MSE y Mean? ? Source F Anova SS Mean Square F Value Pr F? TR 4 .0001? t Tests (LSD) for y? NOTE: This test controls the Type I parisonwise error rate, not the experimentwise error rate.? Alpha ? Error Degrees of Freedom 20? Error Mean Square ? Critical Value of t ? Least Significant Difference ? Means with the same letter are not significantly different.? Grouping Mean N TR? A 5 A2? B 5 A5?
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