Just as in many other fields, computers are useful in the assessment process. Assessors are trained to look for relationships between property characteristics and market value. By coding these characteristics and studying sales prices, assessors can estimate value by developing formulas and models. Computers are much faster and are capable of advanced analysis in this area. But despite these capabilities, common sense and assessor judgment are always required to verify assessments. Assessors most familiar with the neighborhoods are properties review all assessments.