Page 51 - Regression Guideline for AMC
P. 51

SUMMARY
Key Ques:ons for Evalua:ng a Regression Model’s Usefulness and Accuracy
1: Did the regression model output provided with the appraisal show data demonstra6ng which of the factors assessed were sta6s6cally significant and which were non-­‐significant?
2: What was the data screening process used to insure that the data on which the regression model was developed were accurate and complete? Were proper6es with missing or invalid data iden6fied and removed from the analysis and, if so, how many were removed?
3: Prior to analyzing the property data was the distribu6on of last known sales price checked for normality and were sta6s6cal outliers included or excluded from the analysis and on what basis (i.e., +-­‐ 2.0 standard devia6ons)?
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