Verified data is attached to the existing data by locating a combination of unique identifiers and storing the new data points in their own fields. The original data is not changed. This document outlines the prerequisites for attaching verified data from trusted sources to the ECHE list data.
All verified fields are saved with a prefix:
The verified data must be provided in CSV format, using commas as separators and with all strings quoted.
File naming convention
The file name should follow the pattern
For effective data pairing, the verified data must contain two identifiers:
pic. These will be used only to match data entries, not to overwrite the identifiers in the original data set.
The remaining columns may include any of the following:
street(containing street name and door number)
The data handling will ignore empty cells, so verified data cannot be used to nullify existing data.