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We try to bulid a correspondance with the DDI and SDMX standards, the exiting literature and our own practice.

Harmonizing Concepts, Questions, and Variables
Value Labels and Codelists
Working with a Crosswalk Table
Harmonize Value Labels


An overview of the harmonization workflow and support for mapping concepts, creating a crosswalk scheme of the harmonization, carrying out variable name, numerical code, labeling and type setting harmonization.

Survey Harmonization
Working With Survey Metadata
Getting Started

Under the hood

The s3 class inheritted from labelled and haven

The labelled_spss_survey class