private static string GetPreTestPostTestChartData(string assessmentName, QuartileScores quartileScores)
{
var tooltip = string.Format(
"Quartile 4: {0}<br/>" +
"Quartile 3: {1}<br/>" +
"Quartile 2: {2}<br/>" +
"Quartile 1: {3}<br/>" +
"Quartile 0: {4}",
!double.IsNaN(quartileScores.Quartile4Score) ? string.Format("{0:F1}%", quartileScores.Quartile4Score) : "-",
!double.IsNaN(quartileScores.Quartile3Score) ? string.Format("{0:F1}%", quartileScores.Quartile3Score) : "-",
!double.IsNaN(quartileScores.Quartile2Score) ? string.Format("{0:F1}%", quartileScores.Quartile2Score) : "-",
!double.IsNaN(quartileScores.Quartile1Score) ? string.Format("{0:F1}%", quartileScores.Quartile1Score) : "-",
!double.IsNaN(quartileScores.Quartile0Score) ? string.Format("{0:F1}%", quartileScores.Quartile0Score) : "-"
);
var chartData = string.Format(@"[""{0}"",{1},{2},{3},{4},""{5}""],",
assessmentName,
!double.IsNaN(quartileScores.Quartile0Score) ? Math.Round(quartileScores.Quartile0Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile1Score) ? Math.Round(quartileScores.Quartile1Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile3Score) ? Math.Round(quartileScores.Quartile3Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile4Score) ? Math.Round(quartileScores.Quartile4Score, 1, MidpointRounding.AwayFromZero) : 0,
tooltip
);
return(chartData);
}
private static QuartileScores GetQuartileScores(List <Result> results)
{
var quartileScores = new QuartileScores();
if (results.Count > 0)
{
var orderedResults = results.OrderBy(r => r.ResultPercentageScore).ToList();
var lowRangeStart = 0;
var lowRangeEnd = orderedResults.Count / 2;
var highRangeStart = orderedResults.Count / 2;
var highRangeEnd = orderedResults.Count - 1;
if (orderedResults.Count % 2 == 0)
{
// even number of results so slightly adjust the ranges
lowRangeEnd -= 1;
}
var lowRange = new List <Result>();
for (int i = lowRangeStart; i <= lowRangeEnd; i++)
{
lowRange.Add(orderedResults[i]);
}
var highRange = new List <Result>();
for (int i = highRangeStart; i <= highRangeEnd; i++)
{
highRange.Add(orderedResults[i]);
}
quartileScores.Quartile0Score = orderedResults[lowRangeStart].ResultPercentageScore;
quartileScores.Quartile1Score = GetMedianScore(lowRange);
quartileScores.Quartile2Score = GetMedianScore(orderedResults);
quartileScores.Quartile3Score = GetMedianScore(highRange);
quartileScores.Quartile4Score = orderedResults[highRangeEnd].ResultPercentageScore;
}
return(quartileScores);
}
private static QuartileScores GetQuartileScores(List<Result> results)
{
var quartileScores = new QuartileScores();
if (results.Count > 0)
{
var orderedResults = results.OrderBy(r => r.ResultPercentageScore).ToList();
var lowRangeStart = 0;
var lowRangeEnd = orderedResults.Count / 2;
var highRangeStart = orderedResults.Count / 2;
var highRangeEnd = orderedResults.Count - 1;
if (orderedResults.Count % 2 == 0)
{
// even number of results so slightly adjust the ranges
lowRangeEnd -= 1;
}
var lowRange = new List<Result>();
for (int i = lowRangeStart; i <= lowRangeEnd; i++)
{
lowRange.Add(orderedResults[i]);
}
var highRange = new List<Result>();
for (int i = highRangeStart; i <= highRangeEnd; i++)
{
highRange.Add(orderedResults[i]);
}
quartileScores.Quartile0Score = orderedResults[lowRangeStart].ResultPercentageScore;
quartileScores.Quartile1Score = GetMedianScore(lowRange);
quartileScores.Quartile2Score = GetMedianScore(orderedResults);
quartileScores.Quartile3Score = GetMedianScore(highRange);
quartileScores.Quartile4Score = orderedResults[highRangeEnd].ResultPercentageScore;
}
return quartileScores;
}
private static string GetPreTestPostTestChartData(string assessmentName, QuartileScores quartileScores)
{
var tooltip = string.Format(
"Quartile 4: {0}<br/>" +
"Quartile 3: {1}<br/>" +
"Quartile 2: {2}<br/>" +
"Quartile 1: {3}<br/>" +
"Quartile 0: {4}",
!double.IsNaN(quartileScores.Quartile4Score) ? string.Format("{0:F1}%", quartileScores.Quartile4Score) : "-",
!double.IsNaN(quartileScores.Quartile3Score) ? string.Format("{0:F1}%", quartileScores.Quartile3Score) : "-",
!double.IsNaN(quartileScores.Quartile2Score) ? string.Format("{0:F1}%", quartileScores.Quartile2Score) : "-",
!double.IsNaN(quartileScores.Quartile1Score) ? string.Format("{0:F1}%", quartileScores.Quartile1Score) : "-",
!double.IsNaN(quartileScores.Quartile0Score) ? string.Format("{0:F1}%", quartileScores.Quartile0Score) : "-"
);
var chartData = string.Format(@"[""{0}"",{1},{2},{3},{4},""{5}""],",
assessmentName,
!double.IsNaN(quartileScores.Quartile0Score) ? Math.Round(quartileScores.Quartile0Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile1Score) ? Math.Round(quartileScores.Quartile1Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile3Score) ? Math.Round(quartileScores.Quartile3Score, 1, MidpointRounding.AwayFromZero) : 0,
!double.IsNaN(quartileScores.Quartile4Score) ? Math.Round(quartileScores.Quartile4Score, 1, MidpointRounding.AwayFromZero) : 0,
tooltip
);
return chartData;
}
private static string GetPreTestPostTestChartData(string nameForFirstAssessment, QuartileScores quartileScoresForFirstAssessment, string nameForSecondAssessment, QuartileScores quartileScoresForSecondAssessment)
{
var chartData = string.Empty;
chartData += GetPreTestPostTestChartData(nameForFirstAssessment, quartileScoresForFirstAssessment);
chartData += GetPreTestPostTestChartData(nameForSecondAssessment, quartileScoresForSecondAssessment);
chartData = chartData.TrimEnd(',');
return chartData;
}
private static string GetPreTestPostTestChartData(string nameForFirstAssessment, QuartileScores quartileScoresForFirstAssessment, string nameForSecondAssessment, QuartileScores quartileScoresForSecondAssessment)
{
var chartData = string.Empty;
chartData += GetPreTestPostTestChartData(nameForFirstAssessment, quartileScoresForFirstAssessment);
chartData += GetPreTestPostTestChartData(nameForSecondAssessment, quartileScoresForSecondAssessment);
chartData = chartData.TrimEnd(',');
return(chartData);
}