Supports:

• Stats: Typical statistical values over a List or Stream of num: count, min, max, mean, sumOfSquares
• ConfidenceInterval over Stats with a given confidence level.

import 'dart:convert';

import 'package:stats/stats.dart';

void main() {
  final input = [1, 2, 3, 4, 5, 6, 7, 8];
  print('Input: $input');
  final stats = Stats.fromData(input);
  final confidence = ConfidenceInterval.calculate(
    stats,
    ConfidenceLevel.percent95,
  );

  print(_toJson(confidence));
  // {
  //   "stats": {
  //     "count": 8,
  //     "min": 1,
  //     "max": 8,
  //     "mean": 4.5,
  //     "sumOfSquares": 42.0
  //   },
  //   "marginOfError": 2.0481500799501973,
  //   "tScore": 2.365,
  //   "confidenceLevel": "percent95"
  // }
}

String _toJson(Object? value) =>
    const JsonEncoder.withIndent('  ').convert(value);