Dynamic Measures, Dax using Switch for Escalation Rates, CPI

[Jim_brower]

RateLookup2017 = SWITCH(VALUES('Escalation'[Escalation]),"Material 1", LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 1"),"Material 2",LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 2"),"Material 3",LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 3"),1)

Hi Community
I am relatively new to DAX - and hoping to get some help on this calculation (before I go back to SQL 🙂 ) I am trying to create a dynamic calculation for Nomincal vs Constant dollars based on multiple rates.

I have 2 main formulas (but is not applying the way I was hoping)

1. Step 1 - Find Rates by Category and Year
   

   RateLookup2017 = SWITCH(VALUES('Escalation'[Escalation]),"Material 1", LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 1"),"Material 2",LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 2"),"Material 3",LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 3"),1)

2. Step 2 - Apply Rates based on Selection of Nominal vs Constant
   

   2017 Dynamic = IF(HASONEFILTER('Escalation'[Escalation]), 
           SWITCH(
               VALUES('Escalation'[Escalation]),
               "Constant",
               CALCULATE(Sum(Data[Amount]),Data[Year] IN {2017} ),
               "Nominal",
               [RateLookup2017]*CALCULATE(SUM(Data[Amount]),Data[Year] IN {2017} )
               ,BLANK()),Blank())

   
   MdxScript(Model) (14, 238) Calculation error in measure 'Measures 1'[RateLookup2017]: Function 'SWITCH' does not support comparing values of type True/False with values of type Text. Consider using the VALUE or FORMAT function to convert one of the values.

   OS Version:

   
   Thanks in Advance for any help ( I can email PBIX)

[parry2k]

@Jim_brower this DAX seems need attention:

RateLookup2017 = 
SWITCH(TRUE(),
"Material 1", 	LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 1"),
"Material 2",	LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 2"),
"Material 3", LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 3"),1)

Highlighted above should return True/False value whereas you just have static value. 

[Jim_brower]

Thanks - I updated to values - not sure if that is correct.

[parry2k]

@Jim_brower  i guess you updated the measure in original post. Did it worked? It should be fine thou.

[Jim_brower · Accepted solution]

Unfortunatly that didn't work with LOOKUPVALUE() function.......I just went back to IF as a Calculated Column which works fine.

Constant Amount = 
IF (AND(Data[Category] = "Material 1",Data[Year]=2017),
        LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 1")*[Amount],
            IF (AND(Data[Category] = "Material 2",Data[Year]=2017),
            LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 2")*[Amount],
                IF (AND(Data[Category] = "Material 3",Data[Year]=2017),
                LOOKUPVALUE('Escalation Rates'[2017],'Escalation Rates'[Category],"Material 3")*[Amount],
IF (AND(Data[Category] = "Material 1",Data[Year]=2018),
        LOOKUPVALUE('Escalation Rates'[2018],'Escalation Rates'[Category],"Material 1")*[Amount],
            IF (AND(Data[Category] = "Material 2",Data[Year]=2018),
            LOOKUPVALUE('Escalation Rates'[2018],'Escalation Rates'[Category],"Material 2")*[Amount],
                IF (AND(Data[Category] = "Material 3",Data[Year]=2018),
                LOOKUPVALUE('Escalation Rates'[2018],'Escalation Rates'[Category],"Material 3")*[Amount],
IF (AND(Data[Category] = "Material 1",Data[Year]=2019),
        LOOKUPVALUE('Escalation Rates'[2019],'Escalation Rates'[Category],"Material 1")*[Amount],
            IF (AND(Data[Category] = "Material 2",Data[Year]=2019),
            LOOKUPVALUE('Escalation Rates'[2019],'Escalation Rates'[Category],"Material 2")*[Amount],
                IF (AND(Data[Category] = "Material 3",Data[Year]=2019),
                LOOKUPVALUE('Escalation Rates'[2019],'Escalation Rates'[Category],"Material 3")*[Amount],                
               0
        )))))))))

[parry2k]

here is another post using switch with tru.