Get attribute levels
from a QSpecQuantity
.
levels
from a QSpecQuantity
.If the optional parameter j
is supplied, then the j
th vector of levels will be returned, a list with all vectors otherwise.
## S4 method for signature 'QSpecQuantity' getLevels(object, j)
object
: QSpecQuantity
from which to get the levels
.j
: Index pointing to a set of levels in the list; optional.Returns levels attribute, as a vector of real numbers.
qPG <- quantilePG(rnorm(10), levels.1=c(0.25,0.5)) levels.list <- getLevels(qPG) levels.1 <- getLevels(qPG,1)