I am trying to calculate the average of the differences between two dates within a SharePoint list. Here is my formula, but it is not showing any values even after removing the filters.In some cases, the values of these dates will also be empty in the list.
If(Dropdown1.SelectedText.Value="Desenvolvimento";Text(Average(
AddColumns(Filter('Entregas de Desenvolvimento'; 'Work Item'="Requisicao"&& Situação="Fechado" && And(Or(IsBlank(DatePicker_Start.SelectedDate);'Data Criado'>= DatePicker_Start.SelectedDate);
Or(IsBlank(DatePicker_End.SelectedDate); 'Data Criado' <= DatePicker_End.SelectedDate)));
"_diff"; DateDiff('Data Backlog'; 'Data Closed';TimeUnit.Days)
);
_diff
);
"0"
);Text(Average(
AddColumns(Filter('Entregas de Infra'; 'Work Item'="Requisicao"&& Situação="Fechado" && And(Or(IsBlank(DatePicker_Start.SelectedDate)'Data Criado' >= DatePicker_Start.SelectedDate);
Or(IsBlank(DatePicker_End.SelectedDate); 'Data Criado'<= DatePicker_End.SelectedDate)));
"_diff"; DateDiff('Data Backlog'; 'Data Closed';TimeUnit.Days)
);
_diff
);
"0"
))