Prints tpchreg objects

More "pretty-printing"

# S3 method for tpchreg
print(x, digits = max(options()$digits - 4, 3), ...)

Arguments

x	A `tpchreg` object, typically the result of running `tpchreg`
digits	Output format.
...	Other arguments.

No value is returned.

Doesn't work with three-way or higher interactions.

Göran Broström