nobs,pim.environment-method {pim} | R Documentation |
Extract the number of observations
Description
This function extracts the number of observations in an object
of class pim.environment
, or the number of observations
for which a pim.poset
is constructed. If applied to
a matrix or data.frame, it returns the number of rows.
For any other object it
does the same as length
.
Usage
## S4 method for signature 'pim.environment'
nobs(object)
## S4 method for signature 'pim.poset'
nobs(object)
## S4 method for signature 'matrix'
nobs(object)
## S4 method for signature 'data.frame'
nobs(object)
Arguments
object |
an object of the class |
Details
This package imports the generic nobs
from the package
stats4
.
Value
In case the function is called on a pim.environment
or a pim.poset
object,
an integer with the number of (foreseen) observations. If the
pim.environment is empty, it returns 0
.
In all other cases, it returns the output of either nrow
(for
matrices and data.frames)
or length
.
[Package pim version 2.0.2 Index]