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I have tried calculating difference between two dates example Qvw is attached it works for every date but only if the the end date's month is greater than the start. please see the image which is the problem.
How about this?
IF
([End Date] <= AddYears([Start Date],1),'0 Years ',
Age([End Date],[Start Date]) & ' Years ')
&
IF(MONTH([End Date]) = MONTH([Start Date]),'0 Months ',
IF(DAY([Start Date]) < DAY([End Date]), fabs(MONTH([End Date])-Month([Start Date])) & ' Months ',
((MONTH([End Date])+12)-Month([Start Date]))-1 & ' Months '
))
&
IF(MONTH([End Date]) = MONTH([Start Date]),DAY([End Date]) - DAY([Start Date]) & ' Days',
IF(DAY([End Date]) > DAY([Start Date]),DAY([End Date]) - DAY([Start Date]) & ' Days',
DAY(DATE(Interval([End Date] - [Start Date])))-1 & ' Days'
))
Dear Irfan.
i think you need to use fab function when ever your geting - value
and in the Year field you need to use floor function to get the exact Year..
kindly find the attached qvw.
i hope it will help you.
thanks,
Mukram.
Dear Mukram,
Your answer is some what correct but i am not getting the desired result if your for id 6 its not getting the right value.
Try these:
Months:
if(day([End Date])>=day([Start Date]),
num(month(MonthStart([End Date])-MonthStart([Start Date])))-1,
num(month(MonthStart([End Date])-MonthStart([Start Date])))-2)
Days:
if(day([End Date])>=day([Start Date]),
day([End Date])-day([Start Date]),
[End Date]-MakeDate(year([End Date]),month([End Date])-1,day([Start Date])))
As you can see above for id 6 and id 2 your month formula failes.
sorry i meant for id 5 and 2
How about this?
IF
([End Date] <= AddYears([Start Date],1),'0 Years ',
Age([End Date],[Start Date]) & ' Years ')
&
IF(MONTH([End Date]) = MONTH([Start Date]),'0 Months ',
IF(DAY([Start Date]) < DAY([End Date]), fabs(MONTH([End Date])-Month([Start Date])) & ' Months ',
((MONTH([End Date])+12)-Month([Start Date]))-1 & ' Months '
))
&
IF(MONTH([End Date]) = MONTH([Start Date]),DAY([End Date]) - DAY([Start Date]) & ' Days',
IF(DAY([End Date]) > DAY([Start Date]),DAY([End Date]) - DAY([Start Date]) & ' Days',
DAY(DATE(Interval([End Date] - [Start Date])))-1 & ' Days'
))
Thanks everyone for this. I needed to do exactly that. I made myself an example to make all this work and I would like to share it with you.
Complete fully working qvw and source code. Thanks to Haider Al-Seaidy
for his correct answer. It's exactly what I needed.
Eric Tremblay in Montreal, Canada
// Sample data
Data_test:
load
date(date1,'YYYY-MM-DD') As ORDER_DATE;
LOAD * INLINE [
date1
2011-01-15,
2011-02-18,
2008-01-15,
2010-02-18,
2007-01-15,
2009-02-18,
2012-01-15,
2014-02-18,
];
Temp:
LOAD
Min(date(ORDER_DATE,'YYYY-MM-DD')) as MinDate,
Max(date(ORDER_DATE,'YYYY-MM-DD')) as MaxDate
Resident Data_test;
LET vMinDate = floor(peek('MinDate'));
LET vMaxDate = floor(peek('MaxDate'));
// This section here will calculate
// the age between the smallest and the largest dates
min_max_order_dates:
load
// Original Code by Haider Al-Seaidy. Thanks!
IF (MaxDate <= AddYears(MinDate,1),'0 Years ',
Age(MaxDate,MinDate) & ' Years ')
&
IF(MONTH(MaxDate) = MONTH(MinDate),'0 Months ',
IF(DAY(MinDate) < DAY(MaxDate), fabs(MONTH(MaxDate)-Month(MinDate)) & ' Months ',
((MONTH(MaxDate)+12)-Month(MinDate))-1 & ' Months '
))
&
IF(MONTH(MaxDate) = MONTH(MinDate),DAY(MaxDate) - DAY(MinDate) & ' Days',
IF(DAY(MaxDate) > DAY(MinDate),DAY(MaxDate) - DAY(MinDate) & ' Days',
DAY(DATE(Interval(MaxDate - MinDate)))-1 & ' Days'
)) As AGE_BETWEEN_MinDate_MaxDate
Resident Temp; // From this table
Drop Table Temp;
I think this is probably the simplest way...
=((Date1- Date2) / 365) * 12
"=num(((vStartDate - vEndDate) / 365) * 12,'##')"
- Given that you initially convert your Dates (For purposes of the Sum) into Number / integer format.
Lemme Know if it worked for you too?
Rgds,
Nico Oberholzer
The "correct answer" of this thread is not correct.
I do the next:
=If(day([End Date])>=day([Start Date]),
div(((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date]))),12) & ' Years'
&' '&
mod(((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date]))),12) & ' Months'
&' '&
([End Date]-AddMonths([Start Date],((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date]))))) & ' Days'
,
div(((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date])))-1,12) & ' Years'
&' '&
mod(((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date])))-1,12) & ' Months'
&' '&
([End Date]-AddMonths([Start Date],((year([End Date])*12)+month([End Date])) - (((year([Start Date])*12)+month([Start Date])))-1)) & ' Days'
)