LSA/SPM Resources

Longitudinal Systems Analysis (LSA) Resources


The Longitudinal System Analysis (LSA) is a method for checking data quality over time. It involves collecting, cleaning, and aligning data from different periods or sources. By comparing and assessing this data, it identifies trends and issues, ensuring data accuracy and reliability. The process helps in making informed decisions and understanding changes over time.


Please refer to the resources below to assist with data cleanup for the LSA. Should you have any questions, please read out to the ACHMIS team at: Thank you!


Video: Housing Move-In Dates & How to Enter/Correct Them




Video: Missing Head of Households & Fixing a HoH in an Enrollment




Video: What are Overlapping Enrollments? & How to Fix Them