public void LoadStatistics(StackPanel firstChart, StackPanel secondChart)
        {
            if (App.Corpus != null)
            {
                App.StatisticsData              = new StatisticsData();
                App.StatisticsData.ProjectName  = " " + App.Corpus.ProjectName;
                App.StatisticsData.NumSentences = " " + App.Corpus.SourceSentences.Count();
                App.StatisticsData.NumErrorAll  = " " + CountAllErrors();

                App.StatisticsData.AvgErrorSen = " " + AverageErrorPerSentence().ToString("R");
                //App.StatisticsData.AvgTimeEdit = " " + AverageTimeEdit();


                TimeSpan t = TimeSpan.FromMilliseconds(fileService.AverageTimeEdit());
                if (t.Hours == 0)
                {
                    App.StatisticsData.AvgTimeEdit = string.Format(" {0:D2}m:{1:D2}s:{2:D2}ms",
                                                                   t.Minutes,
                                                                   t.Seconds,
                                                                   t.Milliseconds);
                }
                else
                {
                    App.StatisticsData.AvgTimeEdit = string.Format(" {0:D2}h:{1:D2}m:{2:D2}s:{3:D2}ms",
                                                                   t.Hours,
                                                                   t.Minutes,
                                                                   t.Seconds,
                                                                   t.Milliseconds);
                }


                App.StatisticsData.ChartOne = firstChart;
                App.StatisticsData.ChartTwo = secondChart;

                GetErrorsPerNode();
            }
        }