Referencing a Specific Cell in Dax

[teshalandry]

I would like to make a measure that corresponds with a slicer. Ideally, I would select a date in the slicer and have a single corresponding cell value be returned from the specified column. Like an xlookup in excel, but complicated by the slicer being apart of the formula. My current formula:

SelectedDateHour18temp =

LOOKUPVALUE(

    'IBM_15_day_hourly_forecast'[hour18temp],

    'IBM_15_day_hourly_forecast'[Date],

    'Date Slicer'[Date])

gives "a single value cannot be determined" error despite my slicer selecting only a single variable. Is there another way I should go about this?

[v-yueyunzh-msft · Accepted solution]

Hi , @teshalandry 

The reason for this error is that the 'IBM_15_day_hourly_forecast' [Date] field is not unique, and you can use the following measures to achieve your needs:

Column = var _date = 'Date Slicer'[Date] 
var _t =FILTER('IBM_15_day_hourly_forecast', 'IBM_15_day_hourly_forecast'[Date] =_date)
return
MAXX(_t,[hour18temp])

Best Regards,

Aniya Zhang

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

[Greg_Deckler]

@teshalandry Try using MAXX(FILTER(...),...) Tends to avoid that error in LOOKUPVALUE.