Prints the call, agglomerative coefficient, ordering of objects and
  distances between merging clusters (`Height') of an agnes object.
This is a method for the generic print() function for objects
  inheriting from class agnes, see agnes.object.
# S3 method for agnes
print(x, …)an agnes object.
potential further arguments (required by generic).
summary.agnes producing more output;
  agnes, agnes.object, print,
  print.default.