##### 多重比較之ducan 方法 ####
library( agricolae )
duncan.test( fit, "Treat", alpha = 0.05 )
##### 運(yùn)行結(jié)果 #####
> duncan.test( fit, "Treat", alpha = 0.05 )
Study:
Duncan's new multiple range test for yield
Mean Square Error: 6.733333
Treat, means
yield std.err replication
A1 27.0 1.290994 4
A2 24.5 1.322876 4
A3 28.5 1.322876 4
A4 31.5 1.190238 4
A5 20.0 1.354006 4
alpha: 0.05 ; Df Error: 15
Critical Range
2 3 4 5
3.910886 4.099664 4.216980 4.296902
Means with the same letter are not significantly different.
Groups, Treatments and means
a A4 31.5
ab A3 28.5
b A1 27
b A2 24.5
c A5 20
