Get Indices of Non-Zero Variables in All Steps

Get the indices of non-zero variables in all steps from msaenet model objects.

Usage

msaenet.nzv.all(object)

Arguments

object

An object of class msaenet produced by aenet, amnet, asnet, msaenet, msamnet, or msasnet.

Value

List containing indices vectors of non-zero variables in all steps.

Author

Nan Xiao <https://nanx.me>

Examples

dat <- msaenet.sim.gaussian(
  n = 150, p = 500, rho = 0.6,
  coef = rep(1, 5), snr = 2, p.train = 0.7,
  seed = 1001
)

msaenet.fit <- msaenet(
  dat$x.tr, dat$y.tr,
  alphas = seq(0.2, 0.8, 0.2),
  nsteps = 3L, seed = 1003
)

msaenet.nzv.all(msaenet.fit)
#> [[1]]
#>  [1]   1   2   3   4   5   6  33  35  49  73 114 145 183 235 269 334 363 379 441
#> [20] 449
#> 
#> [[2]]
#>  [1]   2   3   4   5  35  49 114 269 363 379
#> 
#> [[3]]
#> [1]   2   3   4   5  35 114 269 363 379
#> 
#> [[4]]
#> [1]   2   4   5  35 114 269 363 379
#>