L2NormGenomicSelectionProblemMixin#

class pybrops.breed.prot.sel.prob.L2NormGenomicSelectionProblem.L2NormGenomicSelectionProblemMixin[source]#

Bases: object

Helper class containing common properties for L2GS problems.

Methods

from_gmat

Construct an L2 Norm Genomic Selection Problem from a Genotype Matrix.

Attributes

`C`	Cholesky decomposition of the kinship matrix.
`nlatent`	Number of latent variables.

property C: ndarray#: Cholesky decomposition of the kinship matrix.

abstract classmethod from_gmat(gmat, cmatfcty, mkrwt, afreq, ndecn, decn_space, decn_space_lower, decn_space_upper, nobj, obj_wt=None, obj_trans=None, obj_trans_kwargs=None, nineqcv=None, ineqcv_wt=None, ineqcv_trans=None, ineqcv_trans_kwargs=None, neqcv=None, eqcv_wt=None, eqcv_trans=None, eqcv_trans_kwargs=None, **kwargs)[source]#

Construct an L2 Norm Genomic Selection Problem from a Genotype Matrix.

Parameters:

mkrwt (numpy.ndarray) – A marker weight matrix of shape (p,t).
afreq (numpy.ndarray) – A marker target allele frequency matrix of shape (p,t).

Return type:

L2NormGenomicSelectionProblemMixin

property nlatent: Integral#: Number of latent variables.