The determination of the necessary number of property equals for a given number of pricing factors for real estate valuation by using correlation and regression analysis

The authors of the article to determine the minimum number of peers to obtain a statistically significant regression equation for the purposes of individual and mass valuation as a result of the analysis of more than a thousand mathematical models built appraisers (including during mass cadastral valuation) and experts to calculate the adjustment or determination of real estate value over the last two years. Named the conditions for obtaining an adequate multivariate mathematical model, which can predict with some accuracy the cost of real estate.