One of c("synthetic", "macro.table"). Specifying "synthetic" indicates
that constraints are built by marginalizing the synthetic micro datasets. Specifying
"macro.table" indicates that the constraints are build from the data in the base ACS tables.
if (FALSE) {
# assumes that obj of class 'synthACS' already exists in your environment a1 <- all_geog_constraint_age(obj, "synthetic")
a2 <- all_geog_constraint_age(obj, "macro_table")
}