Maize Phenotypic Data Set

This data set was included in Souza et al. (2017) and Cuevas et al (2019) is from the Helix Seeds Company (HEL). It consists of grain yied from 452 maize hybrids obtained by crossing 111 pure lines (inbreds); the hybrids were evaluated in 2015 at five Brazilian sites (E1-E5). The experimental design used in each site was a randomized block with two replicates per hybrid. However, to facilitate the demonstration of functions, only 150 hybrids per environment are being considered, thus counting 750 genotype x environment observations. Grain yield data are mean-centered and scaled.

Usage

data(maizeYield)

Format

A data frame with 750 rows and 3 variables:

env

environmental id (factor)

gid

genotypic id (factor)

value

grain yield value of genotype plus genotype by location interaction effects in kg ha-1 (numeric)

...

Examples

data(maizeYield); head(maizeYield)
#>   env  gid      value
#> 1  NM G001 -0.6282005
#> 2  NM G002 -2.3118840
#> 3  NM G003 -1.0597583
#> 4  NM G004 -0.6221222
#> 5  NM G005  0.1315846
#> 6  NM G006 -0.6646701