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## DAX Formula for LY MTD(using TOTALMTD and CALCULATE)

DAX  behavior for each formula is different.

I want to calculate Last Year MTD , By default without any slicer selection the function should take Today's date(Last Year) as end of date and calculate sum. If users choose any selection it should take that date as End of date(Last Year)

1. LYMTD = TOTALMTD(SUM([Amount]),SAMEPERIODLASTYEAR(DATESMTD([BDate])))
2. Previous Year MTD Total = CALCULATE([mTD Total],SAMEPERIODLASTYEAR([BDate]))
3. mTD Total = CALCULATE(sum([Amount]),DATESMTD([BDate]))
4. PY MTDSALES = CALCULATE(SUM([Amount]), DATEADD(DATESMTD([BDate]),-1,YEAR))
5. CACL PY MTD = CALCULATE(SUM([Amount]), DATESBETWEEN([BDate],  [FIRST DAY OF PRESENTMONTH LAST YEAR],  [Last DAY of PRESENTMONTH  Last Year] ))
6.  FIRST DAY OF PRESENTMONTH LAST YEAR = EDATE(FIRSTDATE(DATESMTD([BDate])),-12)
7. Last DAY of PRESENTMONTH Last Year = EDATE(TODAY(),-12)

• First Screen Shot is without any selections on slicer
• Second Screen shot with the 1st  date selected -  Previous Year MTD Total  is showing up correct
• Third Screen shot with 2nd  date selection – LYMTD and PY MTDSALES are showing correct calculated value(taking dates from Oct 1st to Oct 3rd of last year as 4th was not working day) , but Previous Year MTD Total  is blank because Last year Oct 4th was not a working day

Fourth Screen shot with 3rd Date selection – LYMTD and Previous Year MTD Total  are showing up correct with calculation from Oct 1st to Oct 3rd 2015  and PY MTDSALES is totally wrong/incorrect

Regular Visitor

I have 3 columns "Month" & "Achievement" & "Location" that I need to create 1 calculated column to get "Average Number" from "Achievement" column using all location but in every month separated

The average should be like the table below but I can't get the number with DAX.

 Month Achievement Location Average 1/1/2017 80 101 85 1/1/2017 90 102 85 2/1/2017 20 103 40 2/1/2017 60 105 40