getAverage method

double? getAverage(
  1. String field
)

Retrieves the average value for the specified field from the aggregation data.

Parameters:

  • field: The field name to get the average for.

Returns: The average value as a double, or null if not available.

Example:

double? avg = snapshot.getAverage('price');

Implementation

double? getAverage(String field) {
  return data[field].toDouble();
}