grpl.model-class {grplasso} | R Documentation |
Objects of class "grpl.model" define link function, negative log-likelihood and corresponding gradient and Hessian for the model to be used in a Group Lasso problem.
Objects can be created by calls of the form grpl.model(...)
invlink
eta
implementing the inverse link function.link
mu
implementing the link function.nloglik
y
, mu
and
weights
implementing the negative
log-likelihood function.ngradient
x
, y
,
mu
and weights
implementing the negative gradient of the log-likelihood function.nhessian
x
, mu
and
weights
implementing the negative hessian of the
log-likelihood function.check
y
to check
whether the response has the correct format.name
comment
LogReg()