7#include <unordered_map>
Configuration holder for CSV import/export of a DataFrame.
Minimal tabular container with column-wise storage and CSV I/O.
CSV → DataFrame loader with basic type handling.
DataFrame read_csv(const std::string &filename, CSVOptions options=CSVOptions())
Read a CSV file and construct a DataFrame.
Simple column-oriented data structure with basic analysis utilities.
Options describing how to interpret or write CSV data.