coef.cpernet | R Documentation |
Computes the coefficients or returns a list of the indices of the nonzero
coefficients at the requested values for lambda
from a fitted cpernet
object.
## S3 method for class 'cpernet' coef(object, s = NULL, type = c("coefficients", "nonzero"), ...)
object |
fitted |
s |
value(s) of the penalty parameter |
type |
type |
... |
not used. Other arguments to predict. |
s
is the new vector at which predictions are requested. If
s
is not in the lambda sequence used for fitting the model, the
coef
function will use linear interpolation to make predictions. The
new values are interpolated using a fraction of coefficients from both left
and right lambda
indices.
The object returned depends on type.
Yuwen Gu and Hui Zou
Maintainer: Yuwen Gu <yuwen.gu@uconn.edu>
cpernet
, predict.cpernet
,
print.cpernet
, plot.cpernet
set.seed(1) n <- 100 p <- 400 x <- matrix(rnorm(n * p), n, p) y <- rnorm(n) tau <- 0.30 pf <- abs(rnorm(p)) pf2 <- abs(rnorm(p)) w <- 2.0 lambda2 <- 1 m2 <- cpernet(y = y, x = x, w = w, tau = tau, eps = 1e-8, pf.mean = pf, pf.scale = pf2, intercept = TRUE, standardize = FALSE, lambda2 = lambda2) mean.coef <- as.vector(coef(m2, s = m2$lambda[50])[[1]]) scale.coef <- as.vector(coef(m2, s = m2$lambda[50])[[2]])
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