levels.incidence and levels.cover | R Documentation |
The methods return a vector associating each profile with the corresponding
level.
The behaviour of these methods for objects of classes incidence
and
cover
is different from the behaviour of function
levels
for factors.
## S3 method for class 'incidence'
levels(x)
## S3 method for class 'cover'
levels(x)
x |
an object of class |
the function levels
for objects of type factor
vl <- c(3, 2, 4)
prof <- var2prof(varlen = vl)
Z <- getzeta(prof)
levels(Z)
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