Calculated field with LAC-A

Hello
I am trying to create a calculate field in my data sete but i get error messagge: “We encountered an error trying to save your calculated field. Please try creating it again.” Any hint to fix it?

Already tried to

  • delete and create again
  • split the formula in 2 different calculated field (calculate the sumover in a dedicated calculated field and then create a another calculated field with the division for the current value)

This is the formula of calculated field:
{Value} / sumOver(sum({Value}), [{Site}, {Week}, {Section}])

I need this calculated field to be inserted in my dataset to be published in an analysis with pivot table.
GOAL: have in my pivot table (for each section (and i have several) the % value ( value of current row / sum of the section according different criteria)

This is a test sample of data in my data set

Site Section Item Month Week Value
Site1 1. Labor MCM NET 2. February 04/02/2024 20.00
Site1 1. Labor MCM EUE 2. February 04/02/2024 10.00
Site2 1. Labor MCM NET 2. February 04/02/2024 5.00
Site2 1. Labor MCM EUE 2. February 04/02/2024 4.00
Site3 1. Labor MCM NET 2. February 04/02/2024 30.00
Site3 1. Labor MCM EUE 2. February 04/02/2024 7.00
Site1 1. Labor MCM NET 2. February 11/02/2024 15.00
Site1 1. Labor MCM EUE 2. February 11/02/2024 6.00
Site2 1. Labor MCM NET 2. February 11/02/2024 7.00
Site2 1. Labor MCM EUE 2. February 11/02/2024 8.00
Site3 1. Labor MCM NET 2. February 11/02/2024 42.00
Site3 1. Labor MCM EUE 2. February 11/02/2024 31.00
Site1 1. Labor MCM NET 3. March 03/03/2024 5.00
Site1 1. Labor MCM EUE 3. March 03/03/2024 7.00
Site2 1. Labor MCM NET 3. March 03/03/2024 12.00
Site2 1. Labor MCM EUE 3. March 03/03/2024 15.00
Site3 1. Labor MCM NET 3. March 03/03/2024 2.00
Site3 1. Labor MCM EUE 3. March 03/03/2024 5.00
Site1 2. Allocated Ticket EUE 2. February 04/02/2024 80.00
Site1 2. Allocated Ticket Net 2. February 04/02/2024 19.74
Site2 2. Allocated Ticket EUE 2. February 04/02/2024 60.00
Site2 2. Allocated Ticket Net 2. February 04/02/2024 114.37

Hi @castalm Thanks for reaching out, and welcome to the QuickSight Community! :slight_smile: I am pinging one of our SAs to make sure your question gets a reply on Monday if we don’t hear back from the community before then. Thx!

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@castalm ,

The formula created is not valid , look into limitations of LAC-A : Using level-aware calculations in Amazon QuickSight - Amazon QuickSight

Please use the Arena to load the sample data. Can you then provide an example based on the data of end result what you trying to achieve ?

For eg If we take the combination [{Site}, {Week}, {Section}] ( Site1, 2.Allocated, 04/02/2024 ) .
Are you calculating the for row (Site1/2. Allocated Ticket EUE/2. February/04/02/2024) = 80 / total ( 80+19.74+60+114.37 ) ?

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Hello!
I have addressed the issue related to the formula insertion by:

  • create a new analysis
  • inserting the formula in VALUES measure (before it was in a CALCULATED FIELD itself)
    now the formula is accepted but calculations are wrong.

Now the formula for VALUE is:
ifelse(${pDimensionMETRICS}=‘Hours’, sum(Value),
${pDimensionMETRICS}=‘%’, sumOver(sum(Value), [${pDimensionSCOPE}, ${pDimensionTIME}, Section, Item]) / sumOver(sum(Value), [${pDimensionSCOPE}, ${pDimensionTIME}, Section]) * 100 ,
NULL)
where
pDimensionSCOPE is parameter for Site or Country(new column)
pDimensionTIME is paramter for Week or Month

The formula with static value returns correct calculation:
ifelse(${pDimensionMETRICS}=‘Hours’, sum(Value),
${pDimensionMETRICS}=‘%’, sumOver(sum(Value), Site, Week, Section, Item]) / sumOver(sum(Value), Site, Week, Section]) * 100 ,
NULL)

Any idea why the calculation are wrong?

The issue was related to:

  1. data aggregation - numerator and denominator were aggregate in different moment
  2. mix of LAC-A AND LAC-W that prevent comparison between calculation

Formula that fix my issue:
ifelse(${pDimensionMETRICS}=‘Hours’, Value,
${pDimensionMETRICS}=‘%’,

ifelse (${pDimensionSCOPE}='Site' and ${pDimensionTIME}='Week', (Value / {DEN week-site}) * 100 ,
		${pDimensionSCOPE}='Site' and ${pDimensionTIME}='Month', (Value / {DEN month-site}) * 100 ,
		${pDimensionSCOPE}='Node' and ${pDimensionTIME}='Week', (Value / {DEN week-node}) * 100  ,
		${pDimensionSCOPE}='Node' and ${pDimensionTIME}='Month', (Value / {DEN month-node}) * 100 ,
		${pDimensionSCOPE}='Country' and ${pDimensionTIME}='Week', (Value / {DEN week-country}) * 100 ,
		${pDimensionSCOPE}='Country' and ${pDimensionTIME}='Month', (Value / {DEN month-country}) * 100 ,
		NULL),

NULL)

where {DEN X-Y} is a calculated field with this formula: sumOver(Value, [Y, Section, X], PRE_AGG)

I found really useful these links:

1 Like

Thank you for circling back and sharing this solution @castalm. Super helpful to the Community! :slight_smile: