Guide to using the ONS LS: Discrepancy variables thematic guide

This guide is a short introduction to the date of birth and sex discrepancy variables in the CORE data file of the Office for National Statistics Longitudinal Study (ONS-LS).本指南为英国国家统计局纵向研究（Office for National Statistics Longitudinal Study，ONS-LS）的CORE数据文件中的出生日期与性别偏差变量提供简要介绍。