ewmSum method

Implementation

Expr ewmSum([EwmOptions options = const EwmOptions()]) {
  if (!options.adjust || options.bias) {
    throw ArgumentError(
      'ewmSum does not support adjust or bias in Polars 0.55.2',
    );
  }
  final wire = options._toJson()
    ..remove('adjust')
    ..remove('bias');
  return _function('ewmSum', options: wire);
}