a TRUE/FALSE value indicating if the intercept should be included.
intercept1
a TRUE/FALSE value indicating if the intercept should have value 1 (is multiplied by sqrt(2)).
Value
$S3
an Legendre polynomial matrix of order n.
References
Covarrubias-Pazaran G (2016) Genome assisted prediction of quantitative traits using the R package sommer. PLoS ONE 11(6): doi:10.1371/journal.pone.0156744