| Names.pdBlocked(nlme) | R Documentation |
This method function extracts the first element of the Dimnames
attribute, which contains the column names, for each block diagonal
element in the matrix represented by object.
Names(object, asList)
object |
an object inheriting from class pdBlocked
representing a positive-definite matrix with block diagonal
structure |
asList |
a logical value. If TRUE a list with the
names for each block diagonal element is returned. If FALSE
a character vector with all column names is returned. Defaults to
FALSE. |
if asList is FALSE, a character vector with column names
of the matrix represented by object; otherwise, if
asList is TRUE, a list with components given by the
column names of the individual block diagonal elements in the matrix
represented by object.
Jose Pinheiro and Douglas Bates
library(nlme) data(Orthodont) pd1 <- pdBlocked(list(~Sex - 1, ~age - 1), data = Orthodont) Names(pd1)