private void InitGradeChart() { List <int> groupedGrades = ComputeStatistics.GroupGrades(grades); gradeChart.Series = new SeriesCollection { new ColumnSeries { Title = "Grades", Values = new ChartValues <int> { groupedGrades[0], groupedGrades[1], groupedGrades[2], groupedGrades[3], groupedGrades[4], groupedGrades[5], groupedGrades[6], groupedGrades[7], groupedGrades[8], groupedGrades[9] } } }; gradeChart.AxisX = new AxesCollection { new Axis { Title = "Grade", Labels = new[] { "1", "2", "3", "4", "5", "6", "7", "8", "9", "10" } } }; gradeChart.AxisY = new AxesCollection { new Axis { Title = "Number of Students", LabelFormatter = value => value.ToString("N") } }; averageGradeLabel.Text = "Average: " + ComputeStatistics.ComputeAverageSingles(grades).ToString(); string mostCommon = "Most Common: "; foreach (int i in ComputeStatistics.ComputeMostCommonSingles(grades)) { mostCommon += i.ToString() + " "; } mostCommonGradeLabel.Text = mostCommon; medianGradeLabel.Text = "Median: " + ComputeStatistics.ComputeMedianSingles(grades).ToString(); varianceGradeLabel.Text = "Variance: " + ComputeStatistics.ComputeVarianceSingles(grades).ToString(); }
private void InitSelfStudyHoursChart() { double[] groupedHours = ComputeStatistics.GroupHours(selfStudyHours); selfStudyHoursChart.Series = new SeriesCollection { new RowSeries { Title = "selfStudy Hours", Values = new ChartValues <double> { groupedHours[0] / ratings.Count, groupedHours[1] / ratings.Count, groupedHours[2] / ratings.Count, groupedHours[3] / ratings.Count, groupedHours[4] / ratings.Count, } } }; selfStudyHoursChart.AxisY = new AxesCollection { new Axis { Title = "Hours per week", Labels = new[] { "0-1", "2-3", "4-5", "6-7", "8+" } } }; selfStudyHoursChart.AxisX = new AxesCollection { new Axis { Title = "% of Ratings", LabelFormatter = value => value.ToString("N") } }; averageSelfStudyHoursLabel.Text = "Average: " + ComputeStatistics.ComputeAverageSingles(selfStudyHours).ToString(); string mostCommon = "Most Common: "; foreach (int i in ComputeStatistics.ComputeMostCommonSingles(selfStudyHours)) { mostCommon += i.ToString() + " "; } mostCommonSelfStudyHoursLabel.Text = mostCommon; medianSelfStudyHoursLabel.Text = "Median: " + ComputeStatistics.ComputeMedianSingles(selfStudyHours).ToString(); varianceSelfStudyHoursLabel.Text = "Variance: " + ComputeStatistics.ComputeVarianceSingles(selfStudyHours).ToString(); }
private void GetValuesFromCourses() { overallRatings = new int[5]; organizedRatings = new int[5]; interestingRatings = new int[5]; presentedRatings = new int[5]; learnedRatings = new int[5]; List <int> contactHoursList = new List <int>(); List <int> selfStudyHoursList = new List <int>(); List <int> gradesList = new List <int>(); List <Tuple <int, bool> > gradesAndPassedList = new List <Tuple <int, bool> >(); foreach (Rating rating in Ratings) { overallRatings[rating.OverallRating - 1]++; organizedRatings[rating.Organized - 1]++; interestingRatings[rating.Interesting - 1]++; presentedRatings[rating.Presentation - 1]++; learnedRatings[rating.Learned - 1]++; contactHoursList.Add(rating.ContactHours); selfStudyHoursList.Add(rating.SelfStudyHours); gradesList.Add(rating.Grade); gradesAndPassedList.Add(new Tuple <int, bool>(rating.Grade, rating.PassedFirstTime)); } contactHours = ComputeStatistics.GroupHours(contactHoursList); selfStudyHours = ComputeStatistics.GroupHours(selfStudyHoursList); grades = ComputeStatistics.GroupGrades(gradesList); gradesAndPassed = ComputeStatistics.GroupPassed(gradesAndPassedList); double tmp = ComputeStatistics.ComputeAverageGrouped(overallRatings); overallAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianGrouped(overallRatings); overallMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceGrouped(overallRatings); overallVariance = "Variance: " + tmp.ToString("0.####"); List <int> tmpList = ComputeStatistics.ComputeMostCommonGrouped(overallRatings); overallMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageGrouped(organizedRatings); organizedAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianGrouped(organizedRatings); organizedMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceGrouped(organizedRatings); organizedVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonGrouped(organizedRatings); organizedMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageGrouped(presentedRatings); presentedAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianGrouped(presentedRatings); presentedMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceGrouped(presentedRatings); presentedVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonGrouped(presentedRatings); presentedMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageGrouped(interestingRatings); interestingAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianGrouped(interestingRatings); interestingMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceGrouped(interestingRatings); interestingVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonGrouped(interestingRatings); interestingMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageGrouped(learnedRatings); learnedAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianGrouped(learnedRatings); learnedMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceGrouped(learnedRatings); learnedVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonGrouped(learnedRatings); learnedMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageSingles(contactHoursList); contactHoursAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianSingles(contactHoursList); contactHoursMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceSingles(contactHoursList); contactHoursVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonSingles(contactHoursList); contactHoursMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageSingles(selfStudyHoursList); selfStudyHoursAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianSingles(selfStudyHoursList); selfStudyHoursMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceSingles(selfStudyHoursList); selfStudyHoursVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonSingles(selfStudyHoursList); selfStudyHoursMostCommon = "Most common: " + string.Join(',', tmpList); tmp = ComputeStatistics.ComputeAverageSingles(gradesList); gradesAverage = "Average: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeMedianSingles(gradesList); gradesMedian = "Median: " + tmp.ToString("0.##"); tmp = ComputeStatistics.ComputeVarianceSingles(gradesList); gradesVariance = "Variance: " + tmp.ToString("0.####"); tmpList = ComputeStatistics.ComputeMostCommonSingles(gradesList); gradesMostCommon = "Most common: " + string.Join(',', tmpList); }