The estat() gets the meta-information of a statistical table by using getMetaInfo of the 'e-Stat' API,
and returns an estat object that allows editing of meta-information by dplyr::filter() and dplyr::select().
The estat() gets the meta-information of a statistical table by using getMetaInfo of the 'e-Stat' API,
and returns an estat object that allows editing of meta-information by dplyr::filter() and dplyr::select().