toMapOfLists method

Map<String, List<String>> toMapOfLists({
  1. Map<String, int> fixedPlaces = const {},
})

A conversion of this data frame to a map of lists.

Implementation

Map<String, List<String>> toMapOfLists({
  Map<String, int> fixedPlaces = const {},
}) =>
    {
      for (final MapEntry(:key, :value) in numericColumns.entries)
        key: [
          for (final x in value.values)
            fixedPlaces.containsKey(key)
                ? x.toStringAsFixed(fixedPlaces[key]!)
                : x.toString()
        ],
      for (final MapEntry(:key, :value) in categoricColumns.entries)
        key: [for (final x in value.values) '"$x"']
    };