We define the config name in the YAML config, as well as the exact location of the file, the separator as "|", the name of the columns, and the number of rows to ignore (the row #1 is a row of column headers, that will be replaced by the names option, and the row #0 is ignored). The reference for the options is the documentation… See the full description on the dataset page:
https://huggingface.co/datasets/datasets-examples/doc-formats-csv-3.
