aggre ObjectPrint method function for aggre objects; see
as.aggre and aggre.
# S3 method for aggre
print(x, subset = NULL, ...)Always returns `NULL` invisibly. This function is called for its side effects.
an aggre object
a logical condition to subset results table by
before printing; use this to limit to a certain stratum. E.g.
subset = sex == "male"
arguments passed to print.data.table; try e.g.
top = 2 for numbers of rows in head and tail printed
if the table is large,
nrow = 100 for number of rows to print, etc.
Joonas Miettinen