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## Create a Previous Week and Current Week Slicer

Hi

I am trying create a slicer which can show current week num as "Current Week" ,previous week num as "Previous Week" and rest normal week numbers.

I am using below dax to create the slicer but when current week num is 1 it is not converting Week Num 52 as "Previous Week".

Weeknum Slicer=
IF('Fiscal Calendar'[Fiscal Week Number(WW)] = WEEKNUM(MAX('Fiscal Calendar'[Date])), "Current Week",IF(OR('Fiscal Calendar'[Fiscal Week Number(WW)] = WEEKNUM(MAX('Fiscal Calendar'[Date])-1) , weeknum(DATEADD('Fiscal Calendar'[MAXDATE],-7,DAY))= 52),"Previous Week",FORMAT('Fiscal Calendar'[Fiscal Week Number(WW)], "General Number"))).
1 ACCEPTED SOLUTION  Community Support

Hi @TroySSAS ,

Create a column.

``````Flag =
var _currentweek=WEEKNUM(DATE(2022,1,2),1)
var _countoffirstweek=COUNTX(FILTER(ALL('Fiscal Calendar'),[Fiscal Week Number(WW)]=1&&YEAR([Date])=YEAR(EARLIER('Fiscal Calendar'[Date]))),[Date])
var _week=WEEKNUM([Date],1)
var _weeknum=
IF([Fiscal Week Number(WW)]=1&&_countoffirstweek<7,
IF(DAY([Date])<=_countoffirstweek,
CALCULATE(MAX('Fiscal Calendar'[Fiscal Week Number(WW)]),FILTER(ALL('Fiscal Calendar'),[Date]=EARLIER('Fiscal Calendar'[Date])-6)),[Fiscal Week Number(WW)]),[Fiscal Week Number(WW)])
return
SWITCH(
TRUE(),
[Fiscal Week Number(WW)]=_currentweek&&YEAR([Date])=YEAR(TODAY()),"currentweek",
[Fiscal Week Number(WW)]=_currentweek-1&&YEAR([Date])=YEAR(TODAY()),"previousweek",
FORMAT(_weeknum,"#"))
`````` Best Regards

Community Support Team _ Polly

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

5 REPLIES 5  Community Support

Hi @TroySSAS ,

Create a column.

``````Flag =
var _currentweek=WEEKNUM(DATE(2022,1,2),1)
var _countoffirstweek=COUNTX(FILTER(ALL('Fiscal Calendar'),[Fiscal Week Number(WW)]=1&&YEAR([Date])=YEAR(EARLIER('Fiscal Calendar'[Date]))),[Date])
var _week=WEEKNUM([Date],1)
var _weeknum=
IF([Fiscal Week Number(WW)]=1&&_countoffirstweek<7,
IF(DAY([Date])<=_countoffirstweek,
CALCULATE(MAX('Fiscal Calendar'[Fiscal Week Number(WW)]),FILTER(ALL('Fiscal Calendar'),[Date]=EARLIER('Fiscal Calendar'[Date])-6)),[Fiscal Week Number(WW)]),[Fiscal Week Number(WW)])
return
SWITCH(
TRUE(),
[Fiscal Week Number(WW)]=_currentweek&&YEAR([Date])=YEAR(TODAY()),"currentweek",
[Fiscal Week Number(WW)]=_currentweek-1&&YEAR([Date])=YEAR(TODAY()),"previousweek",
FORMAT(_weeknum,"#"))
`````` Best Regards

Community Support Team _ Polly

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.  Community Support

Hi @TroySSAS ,

There are some errors in the logic in your formula. I have created a simple example.

Create a column.

``````Weeknum Slicer =
var _cs = TODAY()-WEEKDAY(TODAY(),2)
var _ce = _cs+6
var _ps = _cs-7
var _weeknum = format(WEEKNUM([Date]),"#")
return
IF([Date]>=_cs&&[Date]<=_ce,"current week",IF([Date]>=_ps&&[Date]<_cs,"previous week",_weeknum))`````` Best Regards

Community Support Team _ Polly

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly. Frequent Visitor

Hi

It should be like current week 1 and previous week 53. We need only one previous week not two, is there a way to do it?  Super User

@TroySSAS , You need to have columns like

start week = 'Date'[Date]+-1*WEEKDAY('Date'[Date],2)+1 //Monday week use for sunday WEEKDAY('Date'[Date],1)
end date= 'Date'[Date]+ 7-1*WEEKDAY('Date'[Date],2)//Monday week use for sunday WEEKDAY('Date'[Date],1)

Week Type = Switch( True(),
[start week]<=Today() && [end date]>=Today(),"This Week" ,
[start week]<=Today()-7 && [end date]>=Today()-7,"Last Week" ,
[Week Name]
)

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