DAX Implementation of LTM-PY Sales Calculation

This input provides a DAX code implementation for calculating the sales for the last twelve months to the end of the same period in the prior year (LTM-PY). The implementation utilizes functions such as CALCULATE, SUM, FILTER, ALL, MAX, EDATE, and DATE. The provided DAX code includes a detailed explanation of how the calculation works and its expected input parameters. It is recommended to have a fundamental understanding of DAX or take an online course from Enterprise DNA to effectively implement such measures.