Description Usage Arguments Value
REML EM algorithm for estimating variance components
1 2 3 4 5 6 7 8 9 10 11 | estimate.vc(
y,
Xtilde,
qrXtilde,
beta,
G,
init.sigma = 0.5,
init.tau = 0.5,
tol = 0.001,
maxiters = 1000
)
|
y |
Vector of observed phenotypes |
Xtilde |
Matrix of covariates (first column contains the intercept, last column contains the E factor for studying the GxE effect) |
qrXtilde |
Object containing QR decomposition of Xtilde |
beta |
Coefficient vector for covariate matrix Xtilde |
G |
Matrix of genotype markers |
init.sigma |
Initial sigma input (Default is 0.5) |
init.tau |
Initial tau input (Default is 0.5) |
tol |
Tolerance for convergence (Default is 1e-3) |
maxiters |
Maximum number of iterations (Default is 1000) |
Estimates for tau and sigma
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