**Please read:** This table is part of the comprehensive Full Landonline Dataset and is designed for use only by data professionals who require the complex version of our property ownership and boundary data for advanced uses. *************************
A Reduction Run is a mathematical process of reducing raw observations to generate a set of reduced observations (in the case of GPS observations, this results in the generation of baselines). The Reduction Run entity contains information about the filtering and quality measures applied in relation to the reduction method used.
Please refer to the [LDS Full Landonline Data Dictionary and Models](https://data.linz.govt.nz/document/95) for detailed metadata about this table.
Source
Sourced from the Landonline database system which was made operational in 2001.
