The Gross Rent Multiplier (GRA) Table must be built in order to run a Gross Rent Multiplier model.
To View/Edit/Create New GRM Table from the Appraisal File go to:
Tables — Appraisal Tables — GRM Table
OR
From Main Menu — Appraisal — Appraisal Table — GRM Table
For a complete explanation of the GRM Table, running the analysis and reviewing the results please click HERE
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