This function is responsible for printing fits from euler() and provides
a summary of the fit. Prints a data frame of the original set relationships
and the fitted values as well as diagError and stress statistics.
# S3 method for euler
print(x, round = 3, vsep = strrep("-", 0.75 *
getOption("width")), ...)'euler' object from euler()
number of decimal places to round to
character string to paste in between euler objects
when x is a nested euler object
arguments passed to base::print.data.frame()
Summary statistics of the fitted Euler diagram is printed to screen or a plot is generated.