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in BI by (17.6k points)

I have a graph below.

enter image description here

I would like to calculate lapsed rate which is sum of lapsed value divided by sum of inforce value. I use the formula below in calculated field.

abs(sum(if[Status]='lapsed'then[TotalAmount]end))/abs(sum(if[Status]='inforce'then[TotalAmount]end))

However that formula will also pick the value from Q2 (quarter 2) 2016. What I want to do is to tell tableau to check first if any quarter does not contain both inforce value and lapsed value then skip that quarter. In this case I need to calculate lapsed rate which does not include Q2 2016. How do i do this?

I'm using Tableau v.10.

Thanks. 

1 Answer

0 votes
by (22.5k points)
edited by

Try using this calculated field

 if
avg(
// Calculate the number of Inforce/Lapsed occurences per Quarter
IF 
[Status] = 'Inforce'
or 
[Status] = 'Lapsed'
then 
{ FIXED 
DATEPART('quarter', [Date]):
countd([Status])
}
else 
0
end)
//
= 2
then 
// Calculate the Lapsed Rate as both statuses exist in the quarter
sum((if 
[Status] = 'Lapsed'
then [Total Amount]
END))
/ 
sum([Total Amount])

 

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