If your analytical work has used a certain type of data at least two times in the past, it is likely that the data will be needed again. This is a good time to make the data ingestion automatic and reproducible.
The very techincal terms of *ex ante* , *ex post* or retrospective harmonization hide opportunities that can significantly increase the value for money in empirical market research, potentially increasing the value of a high-cost, high-value survey to multiple times of its euro value.
The goal of eurobarometer is converting Eurobarometer microdata files, as stored by GESIS, into tidy R data frames and help common pre-processing problems.