BaconFeedback.StatisticsPresenter.ShowStatistics C# (CSharp) Method

        public void ShowStatistics()
        {
            // Get only alphabetic characters from anything this is matched against.
            Regex r = new Regex("[A-Za-z]*");

            _view.MainText = new StringBuilder()
                .AppendFormat("Number of files selected: {0}", _calculator.FeedbackQuantity).AppendLine()
                .AppendLine()
                .AppendFormat("Average group size: {0}", _calculator.AverageGroupSize.ToString("0.0")).AppendLine()
                .AppendFormat("Largest single group: {0}", _calculator.LargestGroup).AppendLine()
                .AppendFormat("Total number of visitors: {0}", _calculator.TotalVisitors).AppendLine()
                .AppendFormat("Estimated total number of visitors (excluding duplicates): {0}",
                              _calculator.TotalVisitorsExcludingDuplicates).AppendLine()
                .AppendLine()
                .AppendFormat("Most common visitor nationality: {0}", _calculator.MostCommonNationality.Key).AppendLine()
                .AppendFormat("Number of {0} visitors: {1}", r.Match(_calculator.MostCommonNationality.Key).Value,
                              _calculator.MostCommonNationality.Value).AppendLine()
                .AppendLine()
                .AppendFormat("Most codes scanned: {0}", _calculator.MostScanned).AppendLine()
                .AppendFormat("Least codes scanned: {0}", _calculator.LeastScanned).AppendLine()
                .AppendFormat("Average codes scanned: {0}", _calculator.AverageScanned).AppendLine()
                .AppendFormat("Total codes scanned: {0}", _calculator.TotalScanned).AppendLine()
                .AppendLine()
                .AppendFormat("Most common codes scanned: {0}, {1}, {2}", _calculator.GetNthMostScanned(0),
                              _calculator.GetNthMostScanned(1), _calculator.GetNthMostScanned(2)).ToString();
        }

        public StatisticsForm(List<FeedbackFile> selectedFiles)
        {
            InitializeComponent();

            _selectedFiles = selectedFiles;
            _presenter = new StatisticsPresenter(this, selectedFiles);

            _presenter.ShowStatistics();
        }