HELP for Measure to calculate rolling average, I have referred a few examples but still fail

[Anonymous]

I have a measure to calculate invoice automatic posting percentage (refer below screenshot). Now, i want to calculate the rolling average of the invoice automatic posting percentage for the past 12 months and show in the last column of my table so that every month when i load in new data, it will auto calculate the new rolling average for me . Can anyone help me with that?

[Anonymous]

Hi @Anonymous,

I'm not so clear the nested measure formula, can you please share some more detail information about this?

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In addition, it seems like a common measure formula with multiple aggregation levels, have you added some processings similar as the following blog mentions to deal with multiple level aggregation in measure formula?

Measure Totals, The Final Word 

Regards,

Xiaoxin Sheng