Previous week column

[Nicholas-Dunne]

Hello, 

I would like to return the employee's previous week "Units_Labor". I feel like I'm close but I'm not receiving an error or anything in return. 

This is the calc that I'm using.

Previous week Hours =
       CALCULATE(
                  SUM('Apprentice loc pull'[Units_Labor]),
                  FILTER(
                       ALL('Apprentice loc pull'),
                             'Apprentice loc pull'[emp_code] = MAX('Apprentice loc pull'[emp_code]) &&
                             'Apprentice loc pull'[FiscalYear] = MAX('Apprentice loc pull'[FiscalYear])
                             && 'Apprentice loc pull'[Fiscalweek]
                             = MAX('Apprentice loc pull'[Fiscalweek]) -1
)
)

Any help would be appreciated. 

Thank you

[v-yulgu-msft · Accepted solution]

Hi @Nicholas-Dunne,

Please try this DAX formula:

Previous week Hours =
LOOKUPVALUE (
    'Apprentice loc pull'[Units_Labor],
    'Apprentice loc pull'[emp_code], 'Apprentice loc pull'[emp_code],
    'Apprentice loc pull'[FiscalYear], 'Apprentice loc pull'[FiscalYear],
    'Apprentice loc pull'[Fiscalweek], 'Apprentice loc pull'[Fiscalweek] - 1
)

Best regards,

Yuliana Gu

[tishawest]

This formula works if you do not have previous year's data in your table. At week 1, this formula doesn't know to look at the previous week's rows (52) of the previous year. I've tried to create an IF formula, and here's what I have. The bolded area is my problem. I'm not sure how to nest the argument. The error says The number of arguments is invalid. Function LOOKUPVALUE must have a value for each specified column reference. Any help would be appreciated!

LastWkDriverCountNew =
IF (Table_hqtr_db_HRWeek_vHRStats[WeekofYear] = 1,
lookupvalue (
'Table_hqtr_db_HRWeek_vHRStats'[Drivers],
'Table_hqtr_db_HRWeek_vHRStats'[Terminal], 'Table_hqtr_db_HRWeek_vHRStats'[Terminal],
'Table_hqtr_db_HRWeek_vHRStats'[Year], 'Table_hqtr_db_HRWeek_vHRStats'[Year],
'Table_hqtr_db_HRWeek_vHRStats'[WeekofYear], 'Table_hqtr_db_HRWeek_vHRStats'[WeekofYear] = 52 &&
'Table_hqtr_db_HRWeek_vHRStats'[Year], 'Table_hqtr_db_HRWeek_vHRStats'[Year] - 1),
IF (Table_hqtr_db_HRWeek_vHRStats[WeekofYear] <> 1,
lookupvalue (
'Table_hqtr_db_HRWeek_vHRStats'[Drivers],
'Table_hqtr_db_HRWeek_vHRStats'[Terminal], 'Table_hqtr_db_HRWeek_vHRStats'[Terminal],
'Table_hqtr_db_HRWeek_vHRStats'[Year], 'Table_hqtr_db_HRWeek_vHRStats'[Year],
'Table_hqtr_db_HRWeek_vHRStats'[WeekofYear], 'Table_hqtr_db_HRWeek_vHRStats'[WeekofYear] - 1)
))