private Dictionary <TaskItemType, ScatterPlotData> PopulateScatterPlotLeadTimeInfo(TaskItem[] rawData, Dictionary <TaskItemType, ScatterPlotData> scatterPlotData)
{
var taskItemHelper = new TaskItemHelper();
foreach (var taskItem in rawData)
{
try
{
if (taskItemHelper.TaskItemTypeIsSelected(Product, Engineering, Unanticipated, taskItem) &&
taskItemHelper.TaskItemDevTeamIsSelected(AssessmentsTeam, EnterpriseTeam, taskItem))
{
var typeIndex = (int)taskItem.Type - 1;
var newData = new Datum
{
x = taskItem.FinishTime,
y = taskItem.CalculateLeadTimeHours()
};
if (newData.x < new DateTimeOffset(DateTime.Now.AddYears(-1)))
{
continue;
}
scatterPlotData[taskItem.Type].data.Add(newData);
}
}
catch (Exception ex)
{
// ignored
}
}
return(scatterPlotData);
}
public BoxGraphHelper(ITaskItemRepository taskItemRepository, TaskItemHelper taskItemHelper)
{
this.taskItemRepository = taskItemRepository;
this.taskItemHelper = taskItemHelper;
}
public BoxGraphHelper()
{
taskItemHelper = new TaskItemHelper();
taskItemRepository = new TaskItemRepository();
}
public async Task <MultinomialLogisticRegressionAnalysisItemList> GetLogisticRegressionAnalysisData(
DateTimeOffset?startDate, DateTimeOffset?finishDate,
bool product, bool engineering, bool unanticipated, bool assessmentsTeam, bool enterpriseTeam)
{
var logisticRegressionData = new MultinomialLogisticRegressionAnalysisItemList();
var taskItemRepository = new TaskItemRepository();
var taskItemList = await taskItemRepository.GetTaskItemListAsync(startDate, finishDate);
logisticRegressionData.UserIds = GetUserIds(taskItemList);
var inputs = new List <List <double> >();
var outputList = new List <int>();
var ids = new List <int>();
var titles = new List <string>();
var taskItemHelper = new TaskItemHelper();
foreach (var logisticRegressionTaskItem
in from taskItem in taskItemList
where taskItem.StartTime != null &&
taskItem.FinishTime != null &&
taskItemHelper.TaskItemDevTeamIsSelected(assessmentsTeam, enterpriseTeam, taskItem)
select GetLogisticRegressionTaskItem(taskItem))
{
ids.Add(logisticRegressionTaskItem.Id);
titles.Add(logisticRegressionTaskItem.Title);
inputs.Add(new List <double>
{
logisticRegressionTaskItem.Lifetime.TotalDays,
logisticRegressionTaskItem.LeadTime.TotalDays,
logisticRegressionTaskItem.TimeSpentInBacklog.TotalDays,
(logisticRegressionTaskItem.DevTeamIsAssessments ? 1.0 : 0.0),
(logisticRegressionTaskItem.DevTeamIsEnterprise ? 1.0 : 0.0),
logisticRegressionTaskItem.NumRevisions
});
foreach (var user in logisticRegressionData.UserIds)
{
inputs.Last().Add(logisticRegressionTaskItem.CreatedById == user ? 1.0 : 0.0);
}
foreach (var user in logisticRegressionData.UserIds)
{
inputs.Last().Add(logisticRegressionTaskItem.LastChangedBy.Id == user ? 1.0 : 0.0);
}
outputList.Add((int)logisticRegressionTaskItem.TaskItemType);
}
var inputArray = inputs.Select(inputList => inputList.ToArray()).ToArray();
var actualResults = outputList.ToArray();
var lbnr = new LowerBoundNewtonRaphson()
{
MaxIterations = 100,
Tolerance = 1e-6
};
var mlr = lbnr.Learn(inputArray, actualResults);
var predictions = mlr.Decide(inputArray);
var probabilities = mlr.Probabilities(inputArray);
logisticRegressionData.Error = new ZeroOneLoss(actualResults).Loss(predictions);
for (var i = 0; i < ids.Count; i++)
{
if (taskItemHelper.TaskItemTypeIsSelected(product, engineering, unanticipated, actualResults[i]))
{
var probability = probabilities[i].Max();
var logisticRegressionItem = new MultinomialLogisticRegressionAnalysisItem
{
Id = ids[i],
Inputs = inputs[i],
Title = titles[i],
Actual = actualResults[i],
Prediction = predictions[i],
Probability = probability
};
if (logisticRegressionItem.Actual != logisticRegressionItem.Prediction)
{
logisticRegressionData.Items.Add(logisticRegressionItem);
}
}
}
return(logisticRegressionData);
}
public async Task <CumulativeFlowData> GetCumulativeFlowDataAsync(DateTimeOffset startTime, DateTimeOffset finishTime,
bool product, bool engineering, bool unanticipated, bool assessmentsTeam, bool enterpriseTeam)
{
var cumulativeFlowData = new CumulativeFlowData();
var taskList = await GetTaskItemsAsync(startTime, finishTime);
var startDate = GetStartDate(taskList, startTime);
var finishDate = GetFinishDate(taskList, finishTime);
var currentDate = startDate;
var rawData = new Dictionary <DateTimeOffset, Dictionary <TaskItemState, int> >();
var dates = new List <DateTimeOffset>();
while (currentDate <= finishDate)
{
dates.Add(currentDate);
cumulativeFlowData.dates.Add(currentDate.ToString("M"));
rawData.Add(currentDate, new Dictionary <TaskItemState, int>
{
{ TaskItemState.Backlog, 0 },
{ TaskItemState.TopPriority, 0 },
{ TaskItemState.InProcess, 0 },
{ TaskItemState.Released, 0 }
});
currentDate = currentDate.AddDays(1);
}
var taskItemHelper = new TaskItemHelper();
foreach (var task in taskList)
{
if (taskItemHelper.TaskItemTypeIsSelected(product, engineering, unanticipated, task) &&
taskItemHelper.TaskItemDevTeamIsSelected(assessmentsTeam, enterpriseTeam, task))
{
HistoryEvent lastHistoryEvent = null;
foreach (var historyEvent in task.HistoryEvents)
{
if (historyEvent.TaskItemState == TaskItemState.None ||
historyEvent.EventDate.Date < startDate ||
historyEvent.EventDate.Date > finishDate)
{
continue;
}
var date = historyEvent.EventDate.Date;
while (date <= finishDate)
{
rawData[date][historyEvent.TaskItemState]++;
if (lastHistoryEvent != null)
{
rawData[date][lastHistoryEvent.TaskItemState]--;
}
date = date.AddDays(1);
}
lastHistoryEvent = historyEvent;
}
}
}
var backlogData = new List <int>();
var topPriorityData = new List <int>();
var inProcessData = new List <int>();
var releasedData = new List <int>();
foreach (var date in dates)
{
backlogData.Add(rawData[date][TaskItemState.Backlog]);
topPriorityData.Add(rawData[date][TaskItemState.TopPriority]);
inProcessData.Add(rawData[date][TaskItemState.InProcess]);
releasedData.Add(rawData[date][TaskItemState.Released]);
}
cumulativeFlowData.data.Add(new CumulativeFlowDataRow {
name = "Backlog",
data = backlogData
});
cumulativeFlowData.data.Add(new CumulativeFlowDataRow {
name = "Top Priority",
data = topPriorityData
});
cumulativeFlowData.data.Add(new CumulativeFlowDataRow {
name = "In Process",
data = inProcessData
});
cumulativeFlowData.data.Add(new CumulativeFlowDataRow {
name = "Released",
data = releasedData
});
return(cumulativeFlowData);
}
