var2cor() for objects
inheriting from class nlreg or mpl. See
var2cor for the general behavior of this function
and for the interpretation of object.## S3 method for class 'mpl':
var2cor(object, \dots)
## S3 method for class 'nlreg':
var2cor(object, \dots)
## S3 method for class 'summary.mpl':
var2cor(object, \dots)
## S3 method for class 'summary.nlreg':
var2cor(object, \dots)mpl.object, nlreg.object,
var2cor