PREVIOUS QUARTER without year

[Muhammad123]

I want add column PREVIOUS QUARTER without year ,but it showing null

i tried writing the following code 

PREVIOUSQTR1 = CALCULATE (

   [Total Amount], PREVIOUSQUARTER(DimDate[Date]))

[lbendlin]

Try with DATEADD(...,-3, MONTH)

[Muhammad123]

I Tried  with DATEADD(...,-3, MONTH) but not working

[lbendlin]

Can you show some sample data?

[Muhammad123]

QTR     Total Amount
1              4500
2              5000
3              6000
4              5500

[lbendlin]

see attached