public static List <CodebookVariable> CreateCodebookVariables(StudyUnitVM studyUnit)
{
List <CodebookVariable> codebookVariables = new List <CodebookVariable>();
ObservableCollection <QuestionVM> questions = studyUnit.AllQuestions;
foreach (VariableVM variable in studyUnit.Variables)
{
QuestionVM question = EDOUtils.Find <QuestionVM>(questions, variable.QuestionId);
StatisticsInfo statisticsInfo = studyUnit.FindStatisticsInfoModel(variable);
StatisticsTypes statisticsType = StatisticsTypes.Unknown;
if (statisticsInfo == null)
{
statisticsType = studyUnit.GetStatisticsType(variable);
}
else
{
statisticsType = statisticsInfo.StatisticsType;
statisticsInfo.ApplyScale();
}
CodebookVariable codebookVariable = null;
if (question != null && StatisticsInfo.IsTypeChoicesMultipleAnswerOf(statisticsType))
{
codebookVariable = CodebookVariable.FindByQuestionId(codebookVariables, question.Id);
}
if (codebookVariable == null)
{
codebookVariable = new CodebookVariable();
codebookVariables.Add(codebookVariable);
}
codebookVariable.Variables.Add(variable);
codebookVariable.Question = question;
codebookVariable.StatisticsInfo = statisticsInfo;
codebookVariable.StatisticsType = statisticsType;
}
return(codebookVariables);
}
public static List <StatisticsInfo> CreateStatisticsInfos(RawData data, StudyUnitVM studyUnit)
{
Dictionary <string, List <VariableVM> > maVariables = new Dictionary <string, List <VariableVM> >();
List <StatisticsInfo> statisticsInfos = new List <StatisticsInfo>();
foreach (VariableVM variable in studyUnit.Variables)
{
StatisticsTypes type = studyUnit.GetStatisticsType(variable);
StatisticsInfo statisticsInfo = null;
if (StatisticsInfo.IsTypeNumberOf(type))
{
statisticsInfo = CreateNumberStatisticsInfo(data, variable);
}
else if (StatisticsInfo.IsTypeDateTimeOf(type))
{
statisticsInfo = CreateDateTimeStatisticsInfo(data, variable);
}
else if (StatisticsInfo.IsTypeChoicesSingleAnswerOf(type))
{
statisticsInfo = CreateSingleAnswerStatisticsInfo(data, variable);
}
else if (StatisticsInfo.IsTypeChoicesMultipleAnswerOf(type))
{
List <VariableVM> variables = null;
string key = variable.QuestionId;
if (maVariables.ContainsKey(key))
{
variables = maVariables[key];
}
else
{
variables = new List <VariableVM>();
maVariables[key] = variables;
}
variables.Add(variable);
}
if (statisticsInfo != null)
{
statisticsInfos.Add(statisticsInfo);
}
}
// Multiple Answer
foreach (KeyValuePair <string, List <VariableVM> > pair in maVariables)
{
string questionId = pair.Key;
List <VariableVM> variables = pair.Value;
QuestionVM question = studyUnit.FindQuestion(questionId);
if (question == null)
{
continue;
}
StatisticsInfo statisticsInfo = CreateMultipleAnswerStatisticsInfo(data, question, variables);
if (statisticsInfo == null)
{
continue;
}
statisticsInfos.Add(statisticsInfo);
}
return(statisticsInfos);
}