David,



Depending upon the efficiency of a market and/or depending upon other parameters/variable with a particular market - can older sales be used in multi-linear regression while maintaining confidence and integrity of the data?



For example, I am appraising a lake home of which both coming out of the winter months and a declining market, there are not many sales (only 9, of which only 1 is comparable) in the past one year in the neighborhood. Increasing the date range in a… Continue