Returns a list of summary information about an object of class "hexbin".
USAGE:
summary.hexbin(object)
REQUIRED ARGUMENTS:
object:
data frame object of class "hexbin".
VALUE:
table containing the summary of each column in the input object.
SIDE EFFECTS:
Prints the call that generated the object, its dimensions and a table
with the statistics of each column in the data frame that represents the
"hexbin" object.
DETAILS:
This is the method for objects of class "hexbin" of the generic function
summary.