Maize variety trial

Share:

Description

Maize variety trial with two years and multi-locations in China.

Usage

1

Format

A data frame with 260 observations (rows) on the following 4 variables (columns).

Cultivar

cultivar names

Year

testing year

Location

testing locations

Yld

maize yield

Details

No other details available

Source

Fan X.M., Kang M.S., Chen H.M., Zhang Y.D., Tan J., Xu C.X. (2007) Yield stability of maize hybrids evaluated in multi-environment trials in Yunnan, China. Agronomy Journal.99:220-228

References

Fan X.M., Kang M.S., Chen H.M., Zhang Y.D., Tan J., Xu C.X. (2007) Yield stability of maize hybrids evaluated in multi-environment trials in Yunnan, China. Agronomy Journal.99:220-228

Examples

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
 
 library(minque)
 data(maize)
 #names(maize)

 res=lmm(Yld~1|Cultivar*Year+Cultivar*Location+Year*Location,data=maize)
 res[[1]]$Var
 res[[1]]$FixedEffect
 res[[1]]$RandomEffect

 res=lmm.jack(Yld~1|Cultivar*Year+Cultivar*Location+Year*Location,
    data=maize,JacNum=10,JacRep=1,ALPHA=0.05)
 res[[1]]$Var
 res[[1]]$PVar
 res[[1]]$FixedEffect
 res[[1]]$RandomEffect
 
 ##End