Return the variable names for the specified submodels.
# S3 method for lmSubsets
variable.names(object, size, best = 1, ..., na.rm = TRUE, drop = TRUE)# S3 method for lmSelect
variable.names(object, best = 1, ..., na.rm = TRUE, drop = TRUE)
"lmSubsets", "lmSelect"---a subset
regression
integer[]---the submodel sizes
integer[]---the submodel positions
ignored
logical---if TRUE, remove NA
entries
logical---if TRUE, simplify structure
logical[,], "data.frame"---the variable names
lmSubsets() for all-subsets
regression
lmSelect() for best-subset
regression
variable.names() for the S3
generic